Features • Enhanced Page Turning: Designed with a 1m inner diameter, this spiral binding coil allows for smooth page turning, making reading and writing effortless • Custom Length Options: Easily install and remove, or cut the binding comb to your desired length, providing flexibility for your storage needs • High Capacity Design: This binding spine can accommodate a large number of sheets, making it ideal for use in offices, classrooms, libraries, and more • Durable and Attractive Material: Crafted from premium plastic, these binding coils resist deformation and maintain their vibrant color for long-lasting use • Ample Supply Included: With 20 pieces in total, this set ensures you have plenty of spiral binding coils for replacements or multiple projects Features: 1、SPECIFICATIONS: This plastic binding spine is a 34 hole design with an inner diameter of 12mm, which can bind about 85 sheets of paper (for reference). 2、PLASTIC MATERIAL: Made of excellent plastic material, reusable and lightweight, which has good toughn, wear and aging resistance, and long service life. 3、GOOD DURABILITY: These binding rings have good gloss, strong adhesion, not easy to break or fade, easily bind paper and store for a long time. 4、EASY TO INSTALL: Just punch the appropriate holes in the paper for manual binding, suitable for office, school or home use, convenient and practical. 5、10PCS IN 1 SET: Including 10pcs binding loops, sufficient quantity for easy use and replacement, detachable split design, easy to open and close at any time. Specification: Item Type: Binding Spine Inner Diameter: Approx. 12mm / 0.47in Number of Holes: 34 Holes Binding Pages: 12mm 85 sheets (for reference) Package List: 10 x Binding Spines Package List 10 x Binding Spines