Coil Spiral Binding Machine, Manual Book Maker with Electric Binding, 46-Holes Binding 500 Sheets Punch Binder, with 100pcs 5/16'' Coil Binding Spines, for Letter Size, A4, A5

Binding Efficiency and
Tidy Results: This binding machine handles bulk projects with ease, punching up to 46 holes, 20 sheets, and binding 500 sheets at once. Perfect for schools, offices, and businesses, it ensures professionally finished documents.
Compatible with Various Sizes: Featuring 46 detachable pins, this upgraded coil spiral binding machine allows you to insert large and non-standard page sizes. It is compatible with Letter size (42 holes), A4 size (46 holes), A5 size (33 holes), and more, providing versatility for various document binding needs.
Easy to Operate: Designed for user convenience, this coil binding machine features adjustable edge guides and side margins, and adjustable coil binding spine sizes from 1/4" to 2". Using this electric coil binder saves time and effort compared to manual methods.
Sturdy & Durable Material: Crafted with a cast iron base with a powder-coated surface, this book binder is robust and rust-resistant. The ABS plastic shell is wear-resistant and not easily cracked. Metal side arms and carbon steel blades ensure longevity and precise punching.
Abundant Accessories: This punch binder comes with 100 pieces of 5/16'' coil spines, 1 wire cutting plier, and 1 oil-absorbing paper. Use the oil-absorbing paper to clean the machine before the first use to prevent paper soiling