[4:1 Pitch and 48 Rings] The spiral binding coil features a 4:1 pitch and is compatible with any binding machine that punches 4 holes per inch, ensuring a and sturdy binding for your documents.
[360 Degree Rotation] Iron spiral binding coils provide a 360 degree page rotation function, making it easier to read and lay flat. Enjoy a convenient and versatile binding experience.
[115 Sheet Capacity] The plastic spiral binding coil has a diameter of 14.3mm and can hold up to 115 sheets of paper(A4, 70g), allowing for easy addition and removal of paper.
[100pcs in Total] With a box of 100 spiral binding coils, you can ensure long-term productivity for all your binding projects. These coils allow you to easily bind and store paper for a long time.
[Applicable Letter Size] Ideal for letter size paper (8.5in x 11in), these 48 ring binding coils are for engineering documents, business projects, office documents, and university presentations. The length can also be cut according to individual requirements.