DEWIN Wire Binding Spines, Spiral Binding Coils Double Loop Wire Binding Spine A460 Sheet Capacity 34 Loops 3:1 Pitch 9.5mm Metal White for Teacher Student Document Notebook File (Pack of 100)

• Coil Specifications：Binding spine with 3/8in binding diameter and 0.8mm thickness. Each spine is spaced 3:1 with 34 double loops and supports 360 degree rotation.
• Metal Inside Wire：The inside of the binding ring is made of wire, which is strong and durable, allowing you to easily bind your paper and keep it for a long time save your time.
• Nylon Coating：These wirebind binding wires have a nylon coating on the outside that is glossy, abrasion-resistant, durable, and long-lasting,make these dual loop binding wires have a beautiful appearance.
• Paper Capacity：Holds up to 60 sheets of A4 paper, weighs 70 grams, and spiral binding wire combs spines coils has a total of 100 double-coil binding spines that are easy to replace to meet your diverse needs.
• Multi-Purpose：These double loop wire binding spines staples can be used to organize documents, files, reports and more and spiral binding coils are compatible with most wire binding systems.

Specification: Item Type: Double Loop Wire Binding Spine Binding Diameter: Approx. 9.5mm / 0.37in Binding Capacity: 60 sheets. A4, 70g. Loop: 34 Loop Pitch: 3:1 Package List:100 x Double Loop Wire Binding Spine