Features Durable and Sturdy: These plastic binding spines are designed to be durable and sturdy, providing long-lasting support for your compiled papers, ensuring they can be stored for extended periods without damage. Easy Manual Binding: With the ability to be manually bound by punching suitable holes, these binding spines offer a simple and accessible binding method that can be easily operated by offices, students, and individuals. High-Quality Material: Boasting a good gloss, strong adhesion, wear resistance, rust resistance, and aging resistance, these binding spines are not easy to break or fade, ensuring smooth page turning and repeated use. 1m Inner Diameter: Perfect for students and teachers, these stationery accessories feature an inner diameter of 1m, providing a suitable size for various binding needs. Convenient Package: Each package contains a total of 10pcs of binding spines, offering convenience and ensuring you have enough replacements for your binding needs. Specification: Item Type: Binding Spines Inner Diameter: Approx. 1m / 0.51in Type: Stationery accessories binding consumables Package List: 10 x Binding Spines Package List 10 x Binding Spines