100 Pack Double Loop Wire Binding Spines, 3 to 1 Pitch,1/2 Inch Wire Cinch Book Binding Fit for School Office Notebook Maker, YolieraArt Metal Spiral for Bindings, (100 Sheet Capacity, White)

• YolieraArt 100 Pack Double Loop Wire Binding Spines, These double loop wire binding spine can accommodate up to 100 sheets of A4 paper, You will receive a paper box with a length of 12 inches,These wire binding spines are neatly and orderly stored in this cardboard box
• The material of these double loop binding wires are metal inner wire, The interior of the binding loop is iron wire,YolieraArt double loop binding wires with well tension makes it easier to hold the paper in place during use， Also stable wire binding spines operating well with lower losses
• Nylon-coated coil binding notebooks and calendars are silky when turning pages, less prone to stuttering, and coil and hands-free when writing. Notebooks and calendars with nylon-coated double loop binding wires are silky when turning pages, less prone to stuttering, and do not tie hands when writing while writing.
• Perfect size for these wire binding spines. Each binding spine has a diameter of 1/2 inches and a thickness of 0.8mm. Each spine has a pitch of 3:1 and 34 double loops, which supports 360 degree rotation. 3:1 PITCH means these double loop wires binding spines have 3 holes per inch, they are compatible with 3:1 pitch wire binding machines or the machines with disengaging pins.
• YolieraArt 100 pack double loop binding wires can be used to bind important documents, files, or reports for upcoming presentations or projects. Perfect for internal reports and functional documents.

100 Pack Double Loop Wire Binding Spines, 1/4 Inch Binding Wire for Letter Size, 3:1 Pitch Double Loop Binding Wires for Students and Coworkers , 20 Sheet Capacity Item Type: Double Loop Wire Binding Spine Binding Diameter: Approx. 6.4mm / 0.25in Binding Capacity: 20 sheets. A4, . Loop: 34 Loop Pitch: 3:1