The 20mm coil spiral binding machine coils are perfect for binding your booklets, court documents, presentation books, school assignments and any other kind of reports, etc. It is 12"long for 8.5x11" coil binding machines, coil spiral binders.
Key Features:
- Coil binder coil size: 20mm
- Plastic 12" coils
- 4:1 Pitch, 48 rings
- Suitable sizes: 8.5"x11" coil binding
- Available colors: Black
- Package: 50 pcs/pack
