GBC A4 Binding Combs - 6mm - Black - 100 Pieces [4028173] Plastic binding combs - 21 ringWith a CombBind spine, pages lie flat for convenient note taking and photocopying and it�s simple to add or remove pages with a machine for quick edits. These durable, plastic spines won`t scratch, chip, peel or discolour and can be reused time after time.Binding Capacity (Pages) - 25 SheetsBinding Type - CombBrand - GBCColour - BlackContents - 100 PiecesDimensions - 0.6 (W) x 0.6 (D) cmFor Format - A4Manufacturer Part No. - 4028173Material - PlasticNumber of Rings - 21 RingsProduct Type - Binding CombsRing Diameter - 6 mmSize - A4Spine Width - 6 mm