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What Size Is a Lever Arch File?

2025-09-13

Lever Arch Files are essential organizational tools for offices, schools, and homes worldwide. They provide a secure and efficient way to store and protect important documents. If you've ever wondered about the standard sizes of these files or needed a custom solution for specific storage needs, this guide is for you. We'll explore the dimensions, capacities, and materials of lever arch files, and introduce you to custom sizing options available at REXON.

Standard lever arch file Sizes and Dimensions

lever arch files typically follow standard paper sizes, with A4 being the most common globally. However, their spine widths and overall dimensions can vary significantly depending on their intended capacity and the manufacturer.

Here's a quick overview of common lever arch file sizes:

Paper SizeSpine Width (Capacity)Overall Dimensions (Approx.)Sheet CapacityCommon Use Cases
A425mm (1 inch)315 x 250 x 30 mmUp to 120 sheetsGeneral office filing, light use
A450mm (2 inches)320 x 260 x 55 mmUp to 300 sheetsProject documentation, contracts
A470mm - 80mm (2.8-3.1 in)318 x 280 x 75 mm500-560 sheetsLarge volumes of documents, archives
A375mm (3 inches)VariesVariesArchitectural drawings, large reports

The most prevalent size you'll encounter is the A4 lever arch file with a spine width ranging from 50mm to 80mm. A popular model, like the Oxford A4 Lever Arch File, features a 70 mm spine with a 56 mm capacity, designed to hold up to 560 sheets of standard 80gsm A4 paper.

Another example is the King Jim Lever Arch File, which has a 53mm back width and a binding capacity of approximately 500 sheets.

Key Features and Materials

When selecting a lever arch file, its construction and features are just as important as its size.

  • Mechanism: The heart of the file is its metal lever arch mechanism. Quality files often boast a patented, reliable mechanism designed to provide exceptional locking force, guaranteeing precise closing even after thousands of uses. The mechanism is typically operated by squeezing two metal levers at the top of the file, which open the metal arches inside to add or remove pages.

  • Materials: The covers are usually made from:

    • Laminated Paper on Board: A common choice that offers a balance of durability and a professional, wipe-clean surface.

    • Plastic (PVC): Files with a plastic cover over a strong board offer maximum durability and resistance to wear and tear.

    • Polypropylene (PP) or Olefin: These materials are known for their strength and flexibility, often used in higher-end files.

  • Design Features: Look for user-friendly additions like:

    • Metal thumb holes for easy retrieval from shelves.

    • Replaceable spine labels for easy identification of contents.

    • Finger rings on the lever for comfortable handling.

Applications: Choosing the Right Size

Selecting the correct size is crucial for organization and document protection.

  • 50mm (2-inch) Spine: Ideal for everyday office use, storing reports, contracts, or project documentation for a single client or fiscal quarter.

  • 70mm-80mm (~3-inch) Spine: Best for archiving large volumes of documents, such as complete case files, annual financial records, or extensive research notes. A overstuffed file can strain the mechanism and damage the contents, so it's important to choose a size that accommodates the volume of paper without being too tight.

Introducing REXON Customization Services

While standard sizes fit most needs, sometimes your projects demand something different. Perhaps you need to store oversized blueprints, delicate artwork, or uniquely shaped materials. In such cases, a custom-sized lever arch file is the perfect solution.

At REXON, we specialize in creating high-quality lever arch files tailored to your exact specifications. Our custom service ensures your filing solution fits your content perfectly, both in function and style.

We offer a wide range of customization options, including:

  • Custom Sizes and Dimensions: Whether you need a compact design for limited space or a larger file to accommodate complex documents, we can precisely tailor each file's dimensions to your requirements.

  • Custom Materials and Finishes: Choose from various colors and protective coatings to enhance durability and aesthetics. Powder coating or laminated finishes allow you to match your brand identity or ensure the files blend seamlessly with your office environment.

  • Custom Branding: Reinforce your brand image with logo printing, custom labels, and identification tags directly applied to the file.

Our goal is to provide you with a product that is not only functional and durable but also perfectly aligned with your professional needs and branding.

Conclusion

Understanding the standard sizes of lever arch files—primarily A4 with spine widths from 50mm to 80mm—helps you choose the right one for organizing everything from daily documents to extensive archives. Key features like a robust metal mechanism, durable materials, and thoughtful design elements contribute to their functionality and longevity.

For those with unique requirements that off-the-shelf solutions can't meet, REXON's custom sizing and branding services offer a perfect alternative. We empower you to create filing solutions that are precisely tailored to your specific documents and professional image.

Discover the perfect fit for your filing needs. Explore REXON's standard collection or contact us today to discuss your custom lever arch file project.


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