(Black)100Pcs Spiral Binding Coils Double Loop Wire Binding Spines 60 Sheet.

Feature: \n 1. Paper Capacity: These double loop wire binding spine can accommodate up to 60 sheets of A4 paper, a total of 70g, meeting your needs.\n2. Metal Inner Wire: The interior of the binding loop is iron wire, which is sturdy and durable, allowing you to easily fix paper and store it for a long time.\n3. Nylon Coating: The exterior is nylon coating, with good surface gloss, corrosion resistance, wear resistance, and long service life.\n4. Perfect Size: Each binding spine has a diameter of 3/8in and a thickness of 0.8mm. Each spine has a pitch of 3:1 and 34 double loops, which supports 360 degree rotation.\n5. Binding Lines: These double loop binding wires can be used to bind important documents, files, or reports for upcoming presentations or projects. \n\nSpecification: \n\nItem Type: Double Loop Wire Binding Spine\nBinding Diameter: Approx. 9.5mm / 0.37in\nBinding Capacity: 60 sheets. A4, 70g. \nLoop: 34 Loop\nPitch: 3:1\n\nPackage List: \n 100 x Double Loop Wire :