Plastic spiral binding coils are often used for binding business documents, university presentations, office documents, report covers, calendars, project books, etc. Binder coils can help you organize messy files and are often used in offices and classrooms.

Specification
Material: Plastic
Length: 310mm / 12.21 inch
Coil Diameter:10mm(3/8")
Paper Capacity: 50 Sheet
Number of holes: 48 Loops
Holes per inch: 4 (4:1 Pitch)
Packing List: 100 Pack Plastic Spiral Binding Coils

Advantage
1. Our spiral binding coils are made of plastic, with fine workmanship, strong flexibility but not easy to deform, flat cuts, and easy to install. The surface of the binding coils has been specially treated, smooth and glossy, and not easy to oxidize.
2. The plastic spiral binding coil offers 360-degree page rotation to add or remove pages and allows bound items to lie flat for easy reading.
3. Plastic spiral binding coils can help you organize messy desktop documents, keep your desk tidy, and allow you to bind papers and preserve them for a long time easily.

Instruction
Arrange the punched paper neatly, screw the head of the binding ring into the first hole of the paper first, and then use the coil binding machine to complete the binding.

Note
Plastic spiral binding rings have different hole diameters. The paper capacity of binders with different hole diameters is different. Please choose the size that suits you.