48-Ring Spiral Binding Coils (100 Pack)

【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.