Deli 3870 Puncher Binder 21 Holes A3 A4 Binding Machine Binding Office Home Tools Manual Rubber Ring Clamp Hole Punchingmodname=ckeditor TIPS: 1. 2 in 1 design, puncher&binder, give your paper file photo letter a professional looking binding. 2. Advanced carbide cutting blades ensure accurate cutting power. 3. Waste drawer for keeping paper scrap. 4. Non skid feet on the bottom, stable and solid. 5. Maximum punching capacity up to 10 sheets at one time. 6. Maximum binding capacity up to 425 sheets at one time. 7. A great helper in office at home.