UBesGoo Manual Comb Binding Machine, 21 Hole 450 Sheet Paper Scrapbook Puch Binder, for Office Home Filing Storage Introductions: You need a professional machine to improve binding efficiency! How about this 21-Hole 450 Sheets Paper Comb Punch Binder Binding Machine Scrapbook? Premium ABS plastic and metal material greatly ensures its high quality and durability. Broaden metal base makes this binding machine stable and resistant to use. It is built with a handle for comfortable grip and easy operation. This binding machine is featured with adjustable margin for meeting your actual need. In a word, it is worth having! Features: 1. It allows you to adjust margin when binding 2. Fold the fuselage to economize space 3. The maximum punching ability with 12 pages & PVC 3 sheets 4. The maximum blinding ability with 450 pages 5. Easy to use 6. Safe and efficient Specifications: 1. Material: ABS Plastic & Metal 2. Dimensions: (14.57 x 10.24 x 5.51)" / (37 x 26 x 14)cm (L x W x H) 3. Maximum Binding Width: 11.73" / 29.8cm 4. Maximum Binding Thickness: 2.01" / 5.1cm 5. Maximum Number of Binding: 450 Pages 6. Maximum Punching Capacity: 12 Sheeetsï¼A4/80gï¼ 7. Adjustable Margin: 3/4/5/6mm 8. Hole Spacing: 0.56" / 1.43cm 9. Hole Size: 3*8mm 10. Handle Length: 31cm 11. Weight: 3.1kg / 6.83lb Package Includes: 1 x Binding Machine 1 x Handles. Solid easy to use punching and binding machine Give any papers a professional-looking binding Ideal for work, school projects or keepsakes Binds up to 450 sheets of paper in a single book