Akiles 14mm x 914mm (9/16" x 36") Black Spiral Coil Binding Spines - 4:1 Pitch, Pack of 100 - Perfect for Reports, Presentations & DIY Bookbinding Projects

Coil binding is one of the most popular binding methods due to its professional appearance, lay-flat design and ability to flip pages 360 degrees. Spiral coil spine binding elements are perfect for business proposals, annual reports, calendars, company presentations and any other book binding project. Akiles spiral binding coils are made of high quality PVC plastic filament. Extra long 36-inch spiral coil binding spines are long enough to trim to fit all binding edge spine sizes up to 36-inches. These binding coils have a 4:1 pitch (4-holes per inch) and are fully compatible with all 4:1 pitch coil binding machines on the market. Holes punched in sheets can be round or oval. Akiles plastic coils are quality made for business, educational, restaurant menus, health handbooks and other binding solutions limited only by the users’ imagination. Choosing desired coil size: Measure the thickness of your stack of pages and add 1/8-inch (3mm). Akiles offers a wide range of sizes to serve your binding needs and we thank you for taking the time to consider our product line. TYPICAL APPLICATIONS:Large MenusCalendarsBookletsCustom Reports2 Legal size Reports3 Letter size ReportsCatalogs

Extra Long 36-inch (914mm) Akiles Spiral Coil Binding Spines Can be Trimmed by user to fit multiple Binding Edge Sizes

Made of Quality PVC filament, Lead & Phthalate Free, CPSIA & RoHS complaint

14mm (9/16-inch) inside diameter Binds up to 115 pages of standard 20 lb bond paper (7/16” or 11mm thick stack)

Manufacturer's Color designation is Black

41 Pitch, 4 loops per inch fit round or oval holes