Welcome to the store! 1、PRACTICAL TOOL: Mini binding machines can punch 5 sheets of paper with 6mm/0.24in hole diameter, 7mm/0.28in feeding 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 die-cast metal cutting heads, with strong and durable cutting. 4、WIDELY USED: Bookbinding machines are suitable for A4 (30 holes), B5 (26 holes), A5 (20 holes) loose-leaf inner hole punching. 5、LONG LIFESPAN: Bookbinding machines are made of premium alloy and ABS material, strong and durable, anti-corrosion, long lifespan. Item Type: Manual Binding Machines Material: Alloy Steel, ABS Size. Hole Diameter: Approx. 6mm/0.24in Paper Feeding Depth: Approx. 7mm/0.28in Hole Spacing: Approx. 9.5mm/0.37in 1 x Manual Binding Machine Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!