GBC A4 Binding Wires - Black - For 3:1 Machines - 100 Pieces [RG810610]This ring binding wire is designed for all 3:1 (34 ring) comb-binding machinesAdd a smart professional touch to any presentationBinds up to 85 A4 pagesWireBind enables pages to lie flat and rotate 360 degrees for convenient note taking and photocopying.Documents of up to 125 pages are permanently bound and tamper-proof so you can rest assured that your work will not only look good but will stay totally secure.Binding Capacity (Pages) - 70 SheetsBinding Type - WireBrand - GBCColour - BlackContents - 100 PiecesFor Format - A4Manufacturer Part No. - RG810610Material - MetalNumber of Rings - 34 RingsProduct Type - Binding WiresRing Diameter - 9.5 mmSize - A4Spine Width - 9.5 mmSuitable For - A4 Documents