Feature: 1. PRACTICAL TOOL: Mini binding machines are capable of punching 5 sheets of paper with 6mm0.24in hole diameter, 7mm0.28in feed depth, and 9.5mm0.37in hole spacing. 2. HIGH ACCURACY: Mini binding machines are designed with a ruler for quick positioning and easy punching. 3. STURDY AND DURABLE: Mini binding machines use individual cast metal cutterheads, with strong and durable cutters. 4. WIDELY USED: Book binding machines are suitable for A4 (30 holes), B5 (26 holes), A5 (20 holes) flipchart inner pages punching. 5. LONG SERVICE LIFE: Book binding machines are made of premium alloy and ABS material, strong and durable, anti corrosion, long service life. Specification: Item Type: Manual Binding Machines Material: Alloy Steel, ABS Size. Hole Diameter: Approx. 6mm0.24in Paper Feed Depth: Approx. 7mm0.28in Hole Spacing: Approx. 9.5mm0.37in. Package List: 1 x Manual Binding Machine Note: Please allow for some errors in manual measurements.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.