About This

• 【50P & 90-Sheet Capacity】Plastic spiral binding coils measure 12mm(1/2") in diameter, can hold up to 90 sheets. A box of 50 spiral binding coils ensures long-term productivity for all of your binding projects, allow you to bind paper sheets with ease and store for a long time.
• 【4:1 Pitch & 48 Loops】Spiral binding coils have a 4:1 Pitch, compatible with any coil-binding machines that punches 4 holes per inch. (Attention: These 4:1 pitch binding coils are not compatible with the Cinch machine.)
• 【5 Colors For Maximum Efficiency】There are 5 colors of plastic binding coils in this set, each color for 10pcs, include Red, Blue, Yellow, Green, Pink, Organize different types of files by color-coding for quick and easy identification.
• 【For Letter Size】These 48-loops binding coils are suitable for letter sized paper (8.5"x11"), which is ideal for engineer file, business project, office documents, university presentations. They serve as amazing gifts suitable for teachers, students, and coworkers.
• 【360 Degree Rotation】Plastic Spiral Binding Coils allow 360 degree page-turning rotation capability for easier reading, bound projects can lay flat. Add and subtract paper sheets easily.