Happybuy Comb Binding Machine, 21-Hole Binder for 450 Sheets, Includes 100 PCS 3/8'' Comb Spines, Compatible with Letter, A4, A5 Sizes

Happybuy Comb Binding Machine, 21-Hole Binder for 450 Sheets, Includes 100 PCS 3/8'' Comb Spines, Compatible with Letter, A4, A5 Sizes

• Durable Construction Constructed with a robust cast iron base and powder-coated surface, this binding machine is rust-resistant. Its ABS plastic shell is wear-resistant, while metal arms and carbon steel blades enhance durability and precision.
• Versatile Size Compatibility Designed to accommodate various document sizes, this comb binding machine is suitable for Letter, A4, and A5 formats, providing flexibility for different binding needs.
• Comprehensive Accessory Set The Happybuy comb binding machine includes 100 pieces of 3/8"" comb binding spines and one oil-absorbing paper. The oil paper helps keep the machine clean and lubricated for optimal performance right from the start.
• User-Friendly Design With adjustable edge guides and side margins, the Happybuy comb punch binder allows for easy operation. Simply press the handle lever to punch and bind documents effortlessly.
• High Binding Capacity The Happybuy binding machine efficiently handles bulk projects, capable of punching up to 21 holes and binding 450 sheets at once. It is ideal for schools, offices, and businesses requiring professionally finished documents."