These plastic binding comb spines are suitable for various office occasions and provide great convenience for file storage, file binding, paper collection, etc.It is a portable product for office and study.

Specification
Inner diameter: 10mm (3/8 Inch)
Length: 300mm/11.8 Inch;
Number of binding pages: 60;
Material: plastic;
Color: Black;
Packing List: 50 Pcs Plastic Binding Comb Spines

Advantage
The binding comb spines are made of long-lasting, strong plastic to ensure long-term productivity for all your binding projects, allowing you to easily bind papers and preserve them for a long time.

Instruction
These binding comb spines are designed in 21 rings, making them suitable for any 21-hole rubber ring binding machine. Binding spirals provide a 360-degree page-turning rotation capability for easier reading.

Note
These binding comb spines are suitable for binding machines.