RAYSON 7/16" Plastic Spiral Binding Coils, 11.1mm Diameter, 4:1 Pitch, 80 Sheet Capacity, Black Coil Binding Spines for Business & School Use, 100 Pack

About this item

• Binds up to 80 Sheets – 7/16" (11.1mm) diameter coils securely bind up to 80 sheets of 20lb paper, perfect for business reports, class projects, notebooks, or presentations.
• Standard 4:1 Pitch (4 Holes/Inch) – Designed for 4:1 pitch binding systems. Not compatible with 3:1 pitch machines. Ensure pitch compatibility before purchase.
• Smooth Page Turning & Lay-Flat Design – Flexible plastic construction allows pages to turn effortlessly and stay flat when open — perfect for note-taking, copying, and presentations.
• Sleek & Professional Look – The black spiral coil adds a clean, polished finish to your documents — ideal for offices, schools, or client-facing materials.
• 100-Pack Value Set – Includes 100 plastic coil binding spines, great for bulk binding in classrooms, print shops, or home office projects.