Features: 1.PRACTICAL TOOL: Mini binding machines are capable of punching 5 sheets of paper with 6mm/0.24in hole diameter, 7mm/0.28in feed depth, and 9.5mm/0.37in 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. 6mm/0.24in Paper Feed Depth: Approx. 7mm/0.28in Hole Spacing: Approx. 9.5mm/0.37in PackageList:1 xManualBindingMachine NotePlease allow for some errors in manual measurements. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia