Large Binding Capacity: our spiral binding coils can hold up to many sheets of copy paper, and fits well for most office projects to improve efficiency and save binding costs

Suitable Length: each plastic coil binding is many sizes you can choose (6mm–23mm and more), this suitable size is nice for letter-sized books, documents or binding projects, so you don’t have to face the problem that the coil is too short; In addition, the coil has a lot of extra parts, so you can curl the ends to get pretty appearance

4:1 Pitch: binding coils are compatible with most 4:1 coil binding machines and convenient to use; The coils are equipped with 48 loops for every coil, and their 4:1 pitch matches the pattern of 4 holes per inch on the side of the book, easy to assemble

Prefabricated Coils:  They are the first choice for easy binding of books, documents or reports in the office

Reliable Plastic: spiral bind coils are made of quality plastic, safe and smooth, and can easily create binding projects that lie flat with our binding coils; With softness and flexibility, their structure will not bend or jam, making your business proposals, reports, menus and more look neat and elegant