Clear Plastic Binding Coils 4:1 (Box of 100)

Clear plastic binding coils provide a neat, understated finish for professionally bound documents. Each coil features a 4:1 pitch and measures 12 inches long, making it suitable for standard letter-size documents. The transparent plastic keeps the binding discreet while allowing the cover and document design to remain visible. With 100 coils included per box, this supply works well for offices, schools, print shops, and other document production environments.

A clean look for finished documents

Clear coils offer a simple alternative when you want the binding to blend with the document. The transparent material works with covers in virtually any colour without creating a strong visual contrast. This makes clear plastic coils a practical choice for reports, proposals, presentations, manuals, and instructional materials. Their neutral appearance also keeps attention on the document rather than the binding.

Flexible binding for everyday use

The spiral design allows pages to rotate 360 degrees for convenient reading and handling. Documents can lie flat on a desk, making them easier to review, write on, or reference. Plastic coils also flex when users turn pages or handle the finished document. After binding, you can trim and crimp the coil ends to create a clean, finished edge.

What you get

• 4:1 pitch with a 12-inch length
• Sizes 6mm–32mm
• Clear plastic construction for a transparent finish
• 100 binding coils included in each box
• Flexible spiral design allows 360-degree page rotation
• Coil ends can be trimmed and crimped after insertion
• Designed for use with 4:1 pitch coil binding machines
• Fast US shipping.

Selecting a suitable coil diameter

Choose the coil diameter according to the number of pages in your document. An 8mm coil handles approximately 52 sheets of 20 lb bond. A 14mm coil accommodates approximately 115 sheets of the same paper. When your page count sits near the limit, choose the next larger diameter. This gives the pages enough room to turn smoothly without making the binding too tight.