Comb Binder 21-Hole Binding 450-Sheet Binder With 100 3/8" Comb-Stitched Spines For Letter Size Or A4 And A5,Back To School,School Supplies

About these items Binding Efficiency and Neatness: This comb binding machine is designed to handle bulk binding projects with ease. It punches up to 21 holes at once, handles up to 12 sheets for punching, and can bind up to 450 sheets in one go. Ideal for schools, offices, and businesses, it produces professionally finished documents that are neat and organized, making it perfect for high-volume use. Compatibility with Various Sizes: The machine is compatible with multiple paper sizes, including Letter size, A4 size, and A5 size. Its versatile design ensures it can handle various document types, providing flexibility for different binding projects and making it a great tool for businesses and educational institutions that work with different paper formats. Ease of Operation: This comb binding machine is designed with user convenience in mind. It includes adjustable edge guides, side margin guides, and expandable comb binding from 3/8'' to 2'', allowing for easy customization. The simple handle lever design allows for effortless punching and binding, with the handle moving upward to punch and downward to bind. Sturdy and Durable Construction: Built to last, this binding machine features a robust cast iron base with a powder-coated finish for durability and rust resistance. The ABS plastic shell adds wear resistance, and metal side arms coupled with carbon steel blades ensure precise punching and long-lasting performance. The machine is built to withstand high-volume use without compromising on quality. Comprehensive Accessories: This binding machine is a complete package, coming with 100 pieces of 3/8'' PVC comb binding spines and one oil-absorbing paper to ensure smooth operation. The oil-absorbing paper helps keep the machine clean and free from excess lubrication before first use, preventing paper soiling during binding. Specifications Item Model Number: STB12A Primary Materials: Iron base (powder-coated), ABS plastic shell, metal side arms Product Weight: 7.7 lbs (3.5 kg) Product Size: 15.2 x 10.8 x 13.6 inches (385 x 274 x 345 mm) Punch Capacity: Up to 21 holes at once Binding Capacity: Binds up to 450 sheets, expandable comb binding from 3/8'' to 2'' Package Contents 1 x Binding Machine 100 x 3/8'' PVC Comb Strips 1 x Oil Absorbent Paper 1 x Instruction Manual