Features 34 Hole Design: This plastic binding spine features a 34 hole design with a 12mm inner diameter, capable of securely binding approximately 85 sheets of paper, providing ample capacity for your documents. Reusable Plastic Material: Crafted from high-quality plastic, these binding rings are reusable and lightweight, offering excellent toughness, wear and aging resistance, and ensuring a long service life, saving you money in the long run. Durable and Glossy Finish: These binding rings boast a durable gloss, strong adhesion, and resistance to breakage and fading, ensuring that your documents are securely bound and stored for extended periods. Easy Manual Installation: Simple to install by punching the appropriate holes in the paper, these binding loops are suitable for office, school, or home use, providing a convenient and practical binding solution. 10PCS Set: This set includes 10 detachable split binding loops, offering sufficient quantity for easy use and replacement, providing an easy-to-open and close design for added convenience. 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