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.

3:1 Binding Wire Features:

• A stylish look for your finished documents
• Perfect registration and 360 degrees lay flat reading
• Pitch: 3:1 (34 holes on an A4 sheet)
• Capactity: Recommended for 36-45 sheets (80gsm paper)
• Colour: Green
• Diameter: 8mm or 5/16 inch
• Sold in Boxes of 100

3:1 Pitch 3 holes per inch 34 loops per A4 sheet