Feature 1115 Sheet Paper Capacity: This spiral binding coil is 14.3mm (9/16in) in diameter and holds up to 115 sheets of paper (A4, 70g), making it easy to add and subtract sheets. 2360 Degree Rotation: This spiral binding wire allows for a 360 degree page rotation feature for easier reading and binding items that lay flat. 34:1 Pitch: This PVC binding spirals ring has a 4:1 pitch and it is compatible with any binding machine that punches 4 holes per inch. 4Excellent PVC Material: This binding spiral is made of excellent PVC material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. 5Wide Application: This binding spine has a wide range of applications and is perfect for engineers' files, business projects, office documents, and university presentations.Item Type: Binding SpiralMaterial: PVCBinding Diameter: Approx. 14.3mm / 9/16inBinding Capacity: 115 Sheets (A4, 70g)Teeth Number: 48 teethRatio: 4:1 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List100 x Binding Spirals