Advantage: The spiral binding coils 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: Spiral binding coils have a 4:1 pitch, making them Suitable for any binding machine that punches 4 holes per inch. Binding spirals provide a 360-degree page-turning rotation capability for easier reading.
Application: These plastic spiral binding coils 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.
Note: These 4:1 pitch binding coils are not Suitable for machines.
