Plastic Spiral Coil Binding Supplies 12" Black 18mm (11/16") 155 Sheets

Coil Binding is one of the most popular binding methods due to its professional appearance and its "lay-flat" design, or ability to flip 360 degrees. Perfect for business proposals, annual reports, company presentations, and any other book binding project, spiral binding coils. All binding coils have a 4:1 pitch (4-holes per inch, 48 loops per 12" coil) and are fully compatible with any 4:1 pitch coil binding machine. Glossy Black spiral coil. 12" length. 18mm (11/16"). Spiral coil will hold 155 sheets. Can be used with any standard 4:1 pitch coil binding system. Box of 100 coils