GBC Binding Combs Plastic 21 Ring 500 Sheets A4 51mm White Ref 4028207U [Pack 50] - 335051

A4 size, 21-ring, (available in 13 diameters and four colours) For use with all Rexel and GBC standard comb binding machines Capacity: 500 Sheets Size: 51mm Boxed 50 White - 335051