A4 Size Automatic Plastic Spiral Binding Machine Durable With 15 Sheets

A4 Size Automatic Plastic Spiral Binding Machine Durable With 15 Sheets Product Description Free Blades 53 Binding (sheets) upto ring Hole size(mm) 3.6 Hole quantity 53 Free pin(pcs) 56 Margin(mm) 3,5,7 Description Spiral binding (also called plastic coil binding) is a modern and durable book binding method that uses a continuous spiraled coil that is spun through several closely-spaced holes. Because they are made of plastic and will hold their original shape, spiral