Features 10mm 30 Hole Capacity: Each binding spine has 30 holes and a 10mm inner diameter, allowing it to hold approximately 65 sheets of paper, providing ample binding capacity for your documents. Set of 10 Pieces: The package includes 10 durable binding spines, offering convenience and cost-effectiveness for organizing and storing your papers over an extended period. High-Quality PP Plastic: Crafted from high-quality PP plastic, these binding spines are non-harmful, wear-resistant, rust-proof, and durable, ensuring long-lasting performance. Smooth and Reliable: The glossy and strong adhesion of the binding strip allow for effortless page turning and reusability, providing a reliable and convenient binding solution. Easy Manual Binding: These binding spines can be easily manually bound by punching suitable holes, making them ideal for use by office staff and students, ensuring simple and efficient document organization. Specification: Item Type: Loose Leaf Binding Spine Material: PP Inner Diameter: Approx.10mm/0.4in Hole Number: 30 Holes Type: Stationery Accessories Binding Consumables Reference Number Of Pages That Can Be Bound: 10mm 65 Sheets Package List: 10 x Loose Leaf Binding Spine Package List 10 x Loose Leaf Binding Spine