Features Smoother Page Turning: The 1m inner diameter of the spiral binding coil ensures effortless page turning, enhancing reading and writing experiences. Customizable Binding: Easily install, remove, and cut the binding comb to preferred lengths, providing flexibility for storage needs. High Capacity: Capable of clipping a large number of sheets, ideal for office, classroom, and library use, offering efficient organization. Premium Material: Crafted from durable, corrosion-resistant plastic with an attractive color, ensuring long-lasting use without deformation. Value Pack: With 20pcs in the set, the ample quantity simplifies replacement and ensures a steady supply for future needs. Specification: Item Type: Spiral Binding Coil Inner Diameter: Approx. 1m / 0.51in Type: Stationery accessories binding consumables. Package List: 20 x Spiral Binding Coil Package List 20 x Spiral Binding Coil