Features Enhanced Page Turning: Designed with a 16mm inner diameter, this spiral binding coil allows for smooth page turning, making reading and writing easier and more enjoyable Customizable Length: The binding comb is easy to open and close, and can be cut to your desired length, providing flexibility for all your paper storage needs High Capacity Storage: Capable of holding up to 130 sheets, this binding spine is for use in offices, classrooms, libraries, and more, accommodating various project sizes Construction: Made from high-quality plastic, this binding coil is resistant to deformation and , ensuring long-lasting use and maintaining its vibrant color Convenient 10-Piece Set: With 10 pieces included, this set simplifies the replacement of damaged coils, ensuring you always have a reliable solution for your binding needs Features: 1、For Your Paper: Designed to have 16mm inner diameter, the spiral binding coil enables smoother page turning for reading and writing. 2、Better Binding: Easy to open and close, you can also cut the binding comb into your preferred length for your needs of paper storage. 3、Large Capacity: Able to clip a large amount of sheets up to 130pcs, the binding spine suits for office, classroom, library and so on. 4、Great Material: Made of premium plastic material with pretty colour, not easy to deform and very with and long use. 5、10Pcs in Total: There are 10pcs spiral binding coil in the set, and the large quantity will simplify the replacement of damaged ones. Specification: Item Type: Spiral Binding Coil Inner Diameter: Approx. 16mm / 0.63in Hole Number: 30 Holes Capacity Reference: 130 Sheets Package List: 10 x Spiral Binding Coil Package List 10 x Spiral Binding Coil