Large Binding Capacity our spiral binding coils can hold up to 54 sheets of standard 20# copy paper, which is equivalent to the maximum binding capacity of 9/32 inches in thickness, and fits well for most office projects to improve efficiency and save binding costs
Suitable Length each plastic coil binding is 12 inches long, 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 12 inches of coils, and their 4 1 pitch matches the pattern of 4 holes per inch on the side of the book, easy to assemble
Prefabricated Coils these spine coils have a diameter of 8 mm/ 5/16 inch, which can improve durability and maintain strength, and provide you with long-term service; 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