Welcome to our store! 1、PRACTICAL TOOL: Mini binding machines can punch 5 sheets of paper with a 6 mm/0.24 inch hole diameter, 7 mm/0.28 inch feeding depth, and 9.5 mm/0.37 inch hole spacing. 2、HIGH ACCURACY: Mini binding machines are designed with a ruler for quick positioning and easy punching. 3、ROBUST AND DURABLE: Mini binding machines use individual cast metal cutting heads, with strong and durable cuts. 4、WIDE APPLICATION: Bookbinding machines are suitable for A4 (30 holes), B5 (26 holes), A5 (20 holes) flipchart inner page punching. 5、LONG SERVICE LIFE: Bookbinding machines are made of premium alloy and ABS materials, strong and durable, corrosion-resistant, and have a long service life. Item Type: Manual Binding Machines Material: Alloy Steel, ABS Size. Hole Diameter: Approx. 6 mm/0.24 inch Paper Feeding Depth: Approx. 7 mm/0.28 inch Hole Spacing: Approx. 9.5 mm/0.37 inch 1 x Manual Binding Machine If you receive your item and find any product problems, such as damage or incorrect quantity of goods, please contact us immediately. We will do our best to provide you with satisfactory customer service.