Size - 48 rings, 1/2" Mixing Color Binding Spirals bind up to 90 Sheets papers.
Mix Colors - Available in mix colors to meet your custom look.
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.
Convenience - Binding coils are in lay- flat. 360-degree rotation to add and subtract paper sheets easily.
