This size wire is suitable for books between approx 36 to 45 sheets of 80gsm paper.

The double-loop wires are produced open to be inserted in pre-punched holes of the suitable dimensions. Once inserted in the proper holes they are simply crimped closed with a wire closer. The 2:1 pitch format has 23 holes on an A4 sheet.

Please choose the colour you require before you place your order. Sold in boxes of 100.

2:1 Pitch 2 holes per inch 23 loops per A4 sheet