This size wire is suitable for books between approx 36 to 45 sheets of 80gsm paper.
Double-loop or twin loop wires are produced open to be inserted in pre-punched holes of the suitable pitch. Once inserted, the wires are crimped together with a wire closer for a stylish finish to your documents. 3:1 pitch wire has 34 holes on an A4 sheet.
This product was last updated on Tuesday 20 April, 2021.