100PCS Spiral Binding Coils 16mm Diameter 48 Teeth 4:1 Combs Spines for Paper

140 Sheets Capacity: This spiral binding coil is 16mm (5Celsius8 inch) in Diameter and can hold up to 140 sheets of 70g paper, making it easy to add and subtract sheets. 360 Degree Rotation: This spiral binding spine allows for a 360 degree page turn rotation which is easier to read, and the binding items can be laid flat. 4 : 1 Pitch: This combs spine features a 4 : 1 pitch and is compatible with any binding machine which can punch 4 holes per inch. Item Type: Spiral Binding Coil Material: PVC Plastic Binding Diameter: 16mm (5Celsius8in) Binding Capacity: 140 Sheets ( , 70g) Teeth Number: 48 Teeth Ratio: 4:1