50 Per Box: A box of 50 Spiral Binding Coils ensures long-term productivity for all of your binding projects,allow you to bind paper sheets with ease and store for a long time.
215 SHEET CAPACITY:Plastic Spiral Binding Coils measure 25mm(1") in diameter,perfect to add and subtract paper sheets,can hold up to 215 sheets.
FOR LETTER SIZE&A4: Length of Spiral Binding Coils is approx.12" ,can be used with letter size paper (8.5x11") or standard A4 size paper (8.3x11.7")
4:1 PITCH:Spiral Binding Coils(48 loops)are designed with a 4:1 pitch, fit any 4-holes-per-inch coil-binding machines.
360 Degree Rotation:Plastic Spiral Binding Coils allow 360 degree page-turning rotation capability for easier reading,bound projects can lay flat.
