Imagine walking into a meeting space where your brainstorming surface isn’t confined to a fixed wall. It rolls out smoothly, adapts to any environment – from a sun-drenched café corner to a sprawling warehouse floor – and packs away effortlessly when inspiration strikes elsewhere. This isn’t science fiction; it’s the rapidly evolving reality of rollable whiteboards, transforming how teams collaborate in our increasingly mobile and hybrid world. The rigid, permanent whiteboard is giving way to a dynamic tool designed for the fluidity of modern work, where ideas flow as freely as the surfaces that capture them. Forget wrestling with clunky tripods or permanent wall installations; the next generation prioritizes seamless integration into any workflow, anywhere.
The year 2026 marks a significant inflection point. Driven by breakthroughs in material science, user-centric design, and the undeniable shift towards flexible work models, rollable whiteboards have shed their early limitations. They are no longer flimsy novelties but sophisticated, durable, and feature-rich collaboration hubs. Understanding what truly defines “revolutionary” in this space goes far beyond just being able to roll it up. It’s about how the board feels under your marker, how it integrates with your digital tools, how it withstands the rigors of daily use across diverse settings, and how intelligently it solves the real-world problems teams face. Choosing the right one requires knowing which innovations actually matter for your specific needs.
Top 10 Rollable Whiteboards
Detailed Product Reviews
1. Magic Whiteboards Dry-Erase Whiteboard, 3’ x 2’ (MW1125)
Overview: The Magic Whiteboards MW1125 offers a revolutionary approach to dry-erase surfaces, featuring 25 reusable static-cling sheets (31.5"H x 23.5"W each) designed to transform any smooth, dry surface like drywall, wood, or glass into a writable area. Simply unroll, peel, and adhere for instant functionality, ideal for temporary setups or space-constrained environments. What Makes It Stand Out: Its standout feature is the true static-cling technology requiring no adhesives, tapes, or magnets, preventing wall damage. The ability to seamlessly connect multiple sheets to create expansive, customizable writing walls—coupled with excellent erasability and reusability—sets it apart from permanent boards or sticky-note alternatives. Value for Money: Priced competitively per sheet, it delivers exceptional value for temporary or flexible needs. While the per-square-foot cost is higher than a single fixed board, the reusability across multiple locations and avoidance of installation hardware justify the investment for renters, classrooms, or project-based workspaces. Strengths and Weaknesses: Strengths: Truly non-damaging installation; highly portable; excellent erasing; eco-friendly (recyclable). Weaknesses: Requires perfectly smooth, clean surfaces; can peel at edges over time; not magnetic; individual sheets are smaller than standard boards, demanding careful alignment for large areas. Bottom Line: An innovative, damage-free solution for dynamic environments. Ideal for renters, educators, or collaborative projects needing flexible writing space, though less suited for permanent, large-scale installations. Highly recommended for its unique portability and ease of use.
2. Large Dry Erase Calendar For Wall - Undated 3 Month Calendar, 28’’ x 40’’, Erasable & Reusable Laminated White Board With 8 Round Stickers, Vertical Layout for Office, Classroom and Home
Overview: This 28" x 40" undated dry-erase calendar provides a spacious, reusable planning solution featuring a vertical layout covering three months. Its laminated PET film construction and foldable/rollable design make it versatile for homes, offices, or classrooms, with built-in note sections and to-do lists within its 2.4" x 3.4" daily blocks. What Makes It Stand Out: The undated format ensures perpetual usability without yearly replacements, while the included 10 bonus double-sided stickers enable easy, damage-free wall mounting. The integrated organization tools (notes/to-do lists) and premium laminated surface offering smooth writing and erasing without ghosting are key differentiators. Value for Money: Excellent value as a long-term organizational tool. Its durability surpasses paper calendars, eliminating annual repurchasing costs. The included stickers and thoughtful layout add utility unmatched by basic whiteboards or disposable calendars at a similar price point. Strengths and Weaknesses: Strengths: Truly undated for lasting use; easy peel-and-stick installation; robust laminated surface; practical integrated planning sections; highly portable. Weaknesses: Not magnetic; large size requires significant wall space; stickers may lose adhesion over very long periods on some surfaces. Bottom Line: A top-tier, reusable calendar that excels in functionality and convenience. Perfect for families, offices, or educators seeking a damage-free, adaptable planning system. Its durability and smart design make it a worthwhile investment over disposable alternatives.
3. Lincia 25 Sheets Double-Sided Dry-Erase Poster Board Sheets: 1" Grid, 24" x 36" Large Whiteboard Paper Rollable for Classroom, Teachers, Office Presentations
Overview: Lincia’s set delivers 25 large (24" x 36"), double-sided dry-erase sheets designed for portability and versatility. One side features a precise 1-inch blue grid, while the reverse offers a clean, blank white surface, all on a rollable, crease-resistant poster board ideal for education and professional presentations. What Makes It Stand Out: The dual-sided functionality—grid for technical work and blank for freeform brainstorming—is its major advantage. The generous 24"x36" size per sheet, combined with true rollability (no creasing) and immediate readiness, caters perfectly to dynamic classroom or meeting environments needing quick setup. Value for Money: Represents strong value for educators or teams frequently requiring large-format writing surfaces. The 25-sheet count and reusability significantly reduce long-term costs compared to single-use chart paper or smaller boards, especially given the specialized grid side. Strengths and Weaknesses: Strengths: Practical double-sided design; large, professional writing area; exceptionally portable and storage-friendly; crease-resistant rollability; ideal for STEM or planning. Weaknesses: Not magnetic; static cling isn’t mentioned (likely requires tape/tacks); grid lines might distract for purely textual work. Bottom Line: An essential, cost-effective toolkit for teachers and presenters needing adaptable large-format surfaces. The grid/blank versatility and portability make it superior to single-sided options, highly recommended for collaborative settings demanding flexibility.
4. 59.06×35.43In Magnetic Whiteboard Sticker, Flexible Rollable PVC Whiteboard with Eraser, Wall-Mounted Writing Board, Cut-to-Size Design for Home Office School (White)
Overview: This flexible PVC magnetic whiteboard sticker (59.06"x35.43") offers a cut-to-size, rollable solution that transforms walls, doors, or cabinets into functional magnetic writing surfaces. It includes an eraser and leverages a soft iron layer within its construction for magnetic adhesion to lightweight items. What Makes It Stand Out: The integrated magnetic functionality combined with true flexibility and cut-to-size customization is exceptional. Its durable PVC/rubber blend resists wear, allows easy rolling (no creases), and enables damage-free installation/removal using simple double-sided tape—unlike rigid boards requiring screws. Value for Money: Excellent value for those needing magnetic capability in a space-saving, adaptable format. The ability to tailor the size precisely avoids paying for unused surface area, while the included eraser and reusability over years justify the cost versus permanent installations. Strengths and Weaknesses: Strengths: Genuine magnetic surface; highly customizable size; easy, non-damaging installation; durable and rollable; versatile for multiple settings. Weaknesses: Requires careful tape application to avoid bubbles/wall damage; slight initial odor; magnet strength limited to lightweight items; not as rigid as traditional boards. Bottom Line: A versatile, user-friendly magnetic solution ideal for home offices, classrooms, or creative spaces. Its adaptability and included accessories make it a smart purchase for maximizing wall utility without permanent modifications. Highly recommended for magnetic needs.
5. OSALADI Erasable Stave Whiteboard Music Teaching Tool Lightweight Portable Rollable Piano Notation Board for Home School Classroom Practice with Note Card Stickers
Overview: The OSALADI Erasable Stave Whiteboard is a portable, rollable music notation board designed specifically for piano practice and music education. Its lightweight, compact design features a reusable stave (staff) layout for writing notes, chords, and musical notation, accompanied by note card stickers. What Makes It Stand Out: Its niche focus on musicians—providing a dedicated, erasable stave system—sets it apart from generic whiteboards. The portability (rollable for easy transport) and inclusion of note stickers cater directly to students and teachers needing an on-the-go practice aid for theory, composition, or lesson planning. Value for Money: Offers solid value for music educators and learners. As a specialized tool, it’s cost-effective compared to custom-printed stave pads or digital alternatives, especially given its reusability. The included stickers enhance functionality without extra cost. Strengths and Weaknesses: Strengths: Purpose-built for music education; highly portable and lightweight; reusable surface saves paper; practical note stickers; ideal for beginners to professionals. Weaknesses: Very limited application outside music; surface size may feel small for complex compositions; no mention of magnetic/static cling features for secure display. Bottom Line: An indispensable, focused tool for musicians seeking a portable practice surface. While narrowly specialized, its execution for music notation is excellent. Highly recommended for piano teachers, students, and enthusiasts needing a dedicated, reusable stave board.
6. SHERCHPRY Erasable Music Staff Whiteboard Portable Music Teaching Tool for Home School Classroom Practice with Rewritable Surface and Soft Rollable Material
Overview: The SHERCHPRY Music Staff Whiteboard is a portable teaching aid designed for pianists and music educators. Crafted from PET and paperboard, it offers a rewritable surface for notating scales, chords, and rhythms. Its rollable design and wall-mount capability make it suitable for home, classroom, or studio use, targeting students and teachers seeking a reusable practice tool.
What Makes It Stand Out: Its dual-material construction (durable paperboard backing with flexible PET surface) prevents warping while allowing compact storage. The inclusion of dedicated whiteboard pens ensures smooth writing and easy erasing. The space-saving wall suspension feature is rare in competitors, optimizing limited practice areas without sacrificing functionality.
Value for Money: Priced mid-range, it outperforms flimsy alternatives with its longevity claim and included accessories. While cheaper vinyl boards exist, they often lack rigidity; this balances cost with professional-grade materials, making it a smart investment for frequent use compared to single-sheet staff paper.
Strengths and Weaknesses:
Strengths: Exceptional durability due to paperboard core; effortless erasability; versatile mounting options; safe, non-toxic materials.
Weaknesses: Paperboard may dent if mishandled; no included instructional guides or stickers; limited size restricts complex compositions.
Bottom Line: Ideal for educators and serious students needing a reliable, space-efficient practice tool. Its build quality justifies the price, though beginners might prefer kits with learning aids. Highly recommended for routine notation drills.
7. AUTSUPPL Erasable Music Staff Whiteboard Rewritable Pet Board for Music Practice Home Use Flexible Rollable Stave Board with Note Card Stickers and Water-Washable Teaching Aid for Students
Overview: AUTSUPPL’s rollable music whiteboard targets beginners with a flexible PET surface for practicing notation. It includes water-washable pens and reusable note card stickers, positioning itself as an engaging tool for home or classroom use. The ultra-thin design emphasizes portability and eco-friendly reuse over traditional paper.
What Makes It Stand Out: The bundled note card stickers transform drills into interactive games, helping students memorize note positions visually—unlike competitors. The “water-washable” claim allows deep cleaning (though manufacturer advises against excessive moisture), extending longevity. Its focus on combating “boring practice” via tactile learning is particularly student-friendly.
Value for Money: Slightly pricier than basic boards but justified by the sticker kit and pens. Cheaper options omit these extras, forcing additional purchases. For new learners, the sticker-driven engagement offers unmatched pedagogical value, though professionals may find them unnecessary.
Strengths and Weaknesses:
Strengths: Innovative stickers boost retention; truly portable and lightweight; smooth writing surface; safe materials.
Weaknesses: PET material creases easily if rolled tightly; stickers lose adhesion over time; no rigid backing for desk use.
Bottom Line: A top choice for parents and teachers introducing music fundamentals. The interactive elements justify the cost for beginners, but its fragility makes it less suitable for heavy daily use. Best for supplemental home practice.
8. QUMIIRITY Erasable Musical Stave Whiteboard for Music Teaching and Piano Practice Rewritable Staff Writing Board Portable Rollable Pet for Students and Educators
Overview: QUMIIRITY’s whiteboard prioritizes educator and student convenience with a featherlight PET build. Marketed for quick memorization of notes and keys, its compact size fits in instrument cases or backpacks. It emphasizes seamless integration into practice routines for both home and institutional settings.
What Makes It Stand Out: Precision craftsmanship ensures a burr-free, ultra-smooth surface that resists ghosting—critical for repeated use. Unlike thicker competitors, its featherweight design (under 100g) excels for travel, while the matte finish minimizes glare during lessons. The focus on ergonomic usability for on-the-go practice stands out.
Value for Money: Competitively priced, it matches premium boards in portability but lacks extras like stickers. Budget options often compromise on surface quality, leading to staining; this delivers consistent erasability, making it cost-effective for traveling musicians despite no bundled accessories.
Strengths and Weaknesses:
Strengths: Excellent portability; flawless writing/erasing; glare-resistant surface; durable against rolling fatigue.
Weaknesses: Minimalist design offers no mounting aids; too small for ensemble teaching; requires high-quality pens to avoid residue.
Bottom Line: The go-to for performers and educators needing a travel-ready notation tool. While not ideal for classroom instruction, its reliability and portability make it a stellar value for individual practice. Essential for active musicians.
Why Rollable Whiteboards Are Transforming Modern Collaboration
The shift towards rollable solutions isn’t just a trend; it’s a fundamental response to how work happens today. Permanent installations limit spontaneity and adaptability. Rollable boards empower teams to take collaboration literally anywhere – from impromptu hallway huddles to client presentations in unconventional spaces, or even remote team members via integrated tech. This mobility fosters a more dynamic, inclusive, and responsive work culture, breaking down physical barriers to idea sharing.
The Critical Shift from Fixed to Fluid Workspaces
Gone are the days when collaboration was tethered to a single conference room. Hybrid work models, remote teams, and the demand for agile workspaces necessitate tools that move with the people, not the other way around. Rollable whiteboards embody this fluidity, enabling teams to set up productive environments in minutes, whether it’s a quiet nook for deep focus or a central spot for a quick stand-up meeting, maximizing the utility of every square foot of office space or remote location.
Solving the Pain Points of Traditional Whiteboards
Traditional fixed whiteboards present numerous frustrations: limited space, permanent wall commitment, difficulty in viewing for larger groups, and the dreaded “marker ghosting” that degrades surfaces over time. Rollable versions directly address these by offering scalable surface sizes (simply unroll more), eliminating permanent installation, often featuring superior glare-resistant and anti-ghosting materials, and providing solutions for easy transport and storage that fixed boards simply cannot match.
Decoding the Core Innovations That Define Quality
Not all rollable whiteboards are created equal. True innovation lies beneath the surface, in the materials and engineering that dictate performance, longevity, and user experience. Understanding these core elements is paramount to selecting a board that delivers on its promises beyond the initial unrolling.
Material Science Breakthroughs: Beyond Basic Vinyl
The days of thin, crinkly, easily torn vinyl are over. Revolutionary boards leverage advanced composites and polymer blends. Think ultra-thin yet incredibly rigid substrates that resist curling and warping, combined with proprietary coating technologies. These coatings offer exceptional dry-erase performance – markers glide effortlessly, erasing cleanly without ghosting or staining, even after prolonged use. Crucially, many now incorporate anti-microbial properties directly into the surface layer, a significant hygiene upgrade for shared environments.
The Underrated Importance of Substrate Rigidity and Stability
A board that sags, ripples, or feels unstable while writing is instantly frustrating. The best designs focus intensely on the substrate – the layer beneath the writable surface. Innovations include lightweight yet rigid honeycomb cores, reinforced fiberglass backings, or even tensioned fabric systems integrated into the roller mechanism. This ensures a perfectly flat, stable writing surface from edge to edge, mimicking the feel of a premium fixed board, which is essential for detailed diagrams, precise writing, and overall user confidence.
Edge Technology: Where Durability Meets Aesthetics
The edges are the most vulnerable part of any rollable board. Revolutionary designs feature seamless, reinforced edge binding. This isn’t just about looks; it prevents fraying, peeling, and delamination at the critical stress points where the board meets the roller housing or is handled frequently. High-end models use seamless welding or advanced thermal bonding techniques, creating edges that are both incredibly durable and provide a smooth, professional finish that protects the core materials.
Essential Features for Real-World Performance and Longevity
Beyond the core materials, specific functional features separate a usable rollable board from one that becomes a frustrating relic. These elements directly impact daily usability, portability, and how well the board withstands the test of time in active environments.
The Roller Mechanism: Smooth Operation is Non-Negotiable
A sticky, jerky roller mechanism ruins the entire experience. Look for precision-engineered mechanisms with high-quality bearings. The ideal system allows for effortless one-handed operation – smooth unrolling to the desired height and controlled, secure retraction without snapping or jamming. Features like adjustable tension dials or secure locking mechanisms at multiple heights provide crucial control and prevent accidental retraction during use.
Portability Redefined: Weight, Size, and Carry Solutions
True portability means more than just being rollable. Consider the total package weight when packed. Revolutionary designs utilize ultra-lightweight yet strong materials for the roller housing (often aerospace-grade aluminum or reinforced polymers) and minimize unnecessary bulk. Integrated, comfortable carrying handles or even shoulder straps transform transportation. Some innovative models feature modular housings that can be detached from heavier base stands for ultimate lightweight portability when moving between locations.
Surface Durability: Resisting Scratches, Dents, and Wear
A writable surface must withstand constant marker use, erasing, and potential accidental bumps. High-performance coatings are engineered for exceptional scratch resistance. Look for surfaces rated for heavy-duty use that won’t easily mar from pens, rings, or incidental contact. Some advanced boards incorporate self-healing polymer technologies at a microscopic level, where minor surface abrasions gradually “smooth out” over time, maintaining optimal writing performance far longer than standard surfaces.
Integration and Smart Capabilities for the Connected Workspace
The most forward-thinking rollable whiteboards transcend being purely analog tools. They seamlessly bridge the physical and digital realms, enhancing collaboration whether team members are co-located or scattered across the globe, making the captured ideas instantly actionable.
Seamless Digital Capture and Syncing
The ability to instantly digitize whiteboard content is no longer a luxury; it’s expected. Revolutionary boards integrate sophisticated capture systems. This could be via high-resolution cameras embedded in the roller housing, specialized marker tracking technology, or compatibility with universal document cameras. The key is effortless, high-fidelity capture that requires minimal user intervention – snap a picture or press one button, and the content is automatically synced to cloud storage, project management tools, or communication platforms, ready for sharing and annotation.
Powering the Digital Bridge: Connectivity Options
Robust connectivity is the backbone of digital integration. Look for boards offering multiple options: reliable Bluetooth for pairing with apps or devices, strong Wi-Fi for direct cloud uploads, and potentially even USB-C for quick transfers or power. The best systems operate independently, meaning the board can capture and sync content without requiring a user’s personal device to be constantly connected, ensuring reliability and ease of use for everyone in the room.
Power Management for Truly Wireless Freedom
Digital features need power, but cables defeat the purpose of mobility. Innovative rollable boards feature long-lasting, swappable, or easily rechargeable battery packs integrated into the roller housing. The goal is all-day battery life on a single charge, supporting both the capture system and any connected displays or lighting, ensuring the board remains a truly wireless collaboration hub, ready for use anywhere, anytime, without hunting for an outlet.
Optimizing for Your Specific Environment and Use Case
A board perfect for a quiet executive office might fail miserably on a factory floor. The revolutionary aspect lies in how well a board’s design anticipates and solves the unique challenges of your intended environment, from lighting conditions to physical demands.
Conquering Challenging Lighting Conditions
Glare can render even the best whiteboard unusable. Advanced surface treatments go beyond basic matte finishes. Look for boards incorporating micro-textured surfaces or specialized anti-reflective coatings that diffuse light effectively, minimizing hotspots and ensuring content remains clearly visible from multiple angles, even in rooms with large windows or bright overhead lighting – a critical factor for readability and reducing eye strain.
Ruggedness for Demanding Environments
Not every workspace is pristine. For use in workshops, construction sites, classrooms, or outdoor areas, durability is paramount. Revolutionary designs for these settings feature thicker, puncture-resistant substrates, reinforced edges specifically engineered to withstand bumps and scrapes, and surfaces resistant to moisture, dust, and temperature fluctuations. Some even offer optional protective covers or cases designed for extreme portability and environmental protection.
Space-Saving and Mounting Flexibility
Even rollable boards need a home when not in active use. Innovative solutions maximize space efficiency. Consider models with compact footprint roller housings, wall-mounting brackets that allow the board to be stored vertically like a painting, or even ceiling-suspended systems that keep the board completely out of the way yet instantly deployable. The ability to integrate the board seamlessly into the existing spatial constraints of your environment is a major usability win.
Making a Future-Proof Investment
Purchasing a rollable whiteboard is an investment in your team’s collaborative capacity. Choosing wisely means looking beyond the immediate features to how well the board will serve evolving needs and stand the test of time, both physically and functionally.
Assessing Long-Term Surface Performance
Don’t just test the surface in the showroom. Research the specific coating technology’s longevity claims. How many dry-erase cycles is it rated for? Does the manufacturer offer data on ghosting resistance over extended periods? Look for warranties that specifically cover surface performance degradation, not just structural defects. A truly revolutionary surface maintains its pristine writing and erasing qualities for years, not months.
Evaluating Upgradeability and Serviceability
Technology evolves. Consider if the digital capture components (cameras, sensors) are modular or upgradable. Can the battery be easily replaced when its lifespan ends? Is the roller mechanism serviceable, or is the entire unit disposable if a bearing fails? Boards designed with serviceability and potential future tech upgrades in mind offer significantly better long-term value and reduce electronic waste.
The Sustainability Factor in Modern Manufacturing
Environmental responsibility is increasingly crucial. Investigate the manufacturer’s practices. Are recycled or bio-based materials used in the substrate, housing, or packaging? Is the production process energy-efficient? What is the end-of-life recyclability of the components? Revolutionary boards are increasingly designed with a circular economy mindset, minimizing environmental impact throughout their lifecycle, which aligns with the values of many modern organizations.
Frequently Asked Questions
Can rollable whiteboards truly match the writing feel of a high-quality fixed board?
Yes, the best modern rollable whiteboards achieve this through advanced rigid substrates and premium surface coatings. They eliminate the “bouncy” or uneven feel of early models, providing a consistently smooth, stable writing experience very close to top-tier fixed boards, especially when properly mounted or tensioned.
How do I prevent my rollable whiteboard from curling at the edges?
Curling is minimized by quality construction. Look for boards with reinforced edge binding and rigid substrates. Proper storage (avoiding extreme temperatures) and ensuring the roller mechanism provides consistent tension during retraction also prevent curling. High-end models often include features specifically designed to maintain edge flatness.
Are the digital capture features reliable for capturing complex diagrams and handwriting?
Reliability depends heavily on the specific technology. Higher-end integrated camera systems with good resolution and proper lighting (sometimes built-in) capture detail well. Marker tracking systems can be very accurate. Always check reviews focusing on capture fidelity for fine lines and handwritten text, and ensure the software handles perspective correction effectively.
What’s the biggest mistake people make when choosing a rollable whiteboard?
Prioritizing portability or price over surface quality and stability. A lightweight board is useless if the surface ripples while writing or ghosts severely. Always prioritize the writing surface experience and structural integrity first, then consider portability features. Don’t sacrifice core functionality for minor weight savings.
How do I clean and maintain a rollable whiteboard to ensure longevity?
Use only recommended whiteboard cleaners and microfiber cloths. Avoid abrasive cleaners or paper towels. Wipe down regularly to prevent ink buildup. For deep cleaning, use isopropyl alcohol (70%+) sparingly. Store rolled up in its housing, away from direct sunlight and extreme temperatures to protect the surface and mechanism.
Can I use regular dry-erase markers on all rollable whiteboards?
While most standard dry-erase markers work, using low-odor, high-quality alcohol-based markers specifically recommended by the manufacturer is best. Some boards have proprietary coatings optimized for certain inks, leading to better erasing and less ghosting. Always test a new marker in a corner first.
Are rollable whiteboards suitable for outdoor use?
Some rugged models designed for demanding environments can handle temporary outdoor use in sheltered areas (like under a canopy), but prolonged exposure to direct sun, rain, or wind can damage most boards. Look specifically for models marketed with weather-resistant features if outdoor use is essential, but permanent outdoor installation is generally not recommended.
How important is the warranty, and what should I look for?
A strong warranty is crucial. Look for comprehensive coverage (at least 3-5 years) that explicitly includes the writable surface against ghosting, staining, and peeling, not just structural defects. Warranty terms on electronics (for digital models) and the roller mechanism are also important indicators of the manufacturer’s confidence.
Will the roller mechanism eventually wear out and become stiff?
Quality mechanisms with sealed bearings are designed for thousands of cycles. Wear depends on usage frequency and quality. Proper handling (avoiding yanking, keeping clean) extends life. Reputable brands design mechanisms for longevity, and serviceable parts are a plus. Stiffness often indicates dirt in the mechanism, which can sometimes be cleaned.
Can I cut a rollable whiteboard to a custom size?
Generally, no. Cutting disrupts the reinforced edges and the integrity of the substrate and writable surface, almost certainly leading to peeling, fraying, and poor performance. The edges are a critical engineered component. If you need a specific size, purchase the correctly sized model from the manufacturer.