Binding Spines Wire Binding Spines: These spines feature 30 holes, a 12mm diameter, and can be cut to your desired length. Closed Column Lock Design: Each link has a pin lock bead for a more secure closure. Small and Stylish: With fine workmanship, these binding spines are small, fashionable, and easy to carry. Paper Capacity: Can combine approximately 85 sheets of paper as needed. The inner pages can be flipped, and the capacity can be increased or decreased. Wide Application: Suitable for organizing emails, memos, collecting exam papers, and data organization. Item Type: Binding Spine Material: Plastic Hole Diameter: Approx. 12 mm / 0.5 inches Paper Quantity: Approx. 85 sheets Package Includes: 10 x Binding Spines Customer Satisfaction: Your satisfaction is our top priority. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately for the best solution.