[HIGH CAPACITY BINDING] The spiral binding coil features a 19mm diameter and can hold up to 170 sheets of 70g A4 paper. This robust capacity ensures your documents remain securely bound while allowing easy addition or removal of pages.
[ PITCH LOOPS] Designed with a 4:1 pitch and 48 loops, this binding coil is compatible with any binding machine that uses 4 holes per inch. The precise design ensures smooth operation and professional results every time.
[BULK PACK FOR LONG TERM USE] This set includes 100pcs of spiral binding coils, providing ample supply for all your binding needs. Ideal for high volume projects ensuring long term productivity and convenience.
[360 DEGREE PAGE ROTATION] The spiral binding coil allows for full 360 degree page rotation, making reading and flipping through pages effortless. The bound items can lay flat for easy reference and note taking.
[VERSATILE SIZE APPLICATION] These 48 loop binding coils are for letterhead size paper (8.5 x 11in) and can be easily cut to fit your specific requirements. Ideal for engineer files commercial projects office documents and university presentations.

Spec:
Item Type: Spiral Binding Coil
Binding Diameter: Approx. 19mm / 0.75in
Binding Capacity: 170 sheets for A4, 70g.
Teeth: 48 Teeth
Scale: 4:1

Package List：
100 x Spiral Binding Coil
Note：