Rayson Wire Binding Spines, 34 Loops, 25 Sheets, 6.4 mm, A4, 3:1 Ptich, Black, Pack of 100

6.4mm spine diameter, A4, binds up to 20 sheets, 34-loop wire, double-loop wire construction minimises flexing for higher stability Ideal for square or round 3:1 pitch hole options Tough metal construction binds documents firmly, ensuring page security and a lasting finish Ideal for creating contemporary, quality documents that require permanent binding, suitable for use on all wire binding machines Contents: 100pcs Binding Wires