[Pitch Compatibility] Featuring a 4:1 pitch, this spiral binding coil is compatible with all machines that punch 4 holes per inch, ensuring ease of use for all binding needs.
[Versatile Application] for letter,sized paper, the spiral coil's length can be easily cut with scissors, making it ideal for engineering documents, business projects, office papers, and university presentations.
[360 Degree Rotation] With a full 360,degree rotation capability, this binding coil allows for smooth page flipping and reading, making working with bound projects a breeze.
[High Capacity] The plastic spiral binding coil boasts a 38mm diameter and can accommodate up to 310 sheets of a4 paper (70g), allowing for effortless addition and removal of pages.
[18 Pcs Set] Each pack includes 18 spiral binding coils, providing long,time productivity for all binding projects, making it simple to bind and store papers securely.