50 Pcs Spiral Binding Coil 19mm Diameter 48 4:1 Pitch 170 Sheet Capacity Binding Spine

[170 Sheet Capacity] The plastic spiral binding coil, with a 19mm diameter, can accommodate up to 170 sheets of paper ( , 70g). Easily add or remove pages without any hassle. [4:1 Pitch] The spiral binding spine features a 4:1 pitch, compatible with any binding machine that punches 4 holes per inch. Provides a secure and professional binding solution. [360 Degree Rotation] The binding coil allows for 360 degree page flipping, making it easier to read and allowing bound projects to lay flat. Item Type: Spiral Binding Coil Material: PVC Plastic Binding Diameter: Approx. 19mmCelsius0.75in Binding Capacity: 170 Sheets ( , 70g) Number of : 48 Pitch: 4:1