• Capacity: 19 mm (3/4") 
• Material: Metal
• Pitch: 2:1
• Paper size: A4
• Qty: 50 pcs

3:1 pitch means 3 punched holes per inch (34 Holes to A4)

2:1 pitch means 2 punched holes per inch. (23 Holes to A4)

3:1 pitch wire is used for smaller documents no larger than 120 pages (70gsm)

2:1 pitch wire is generally used for larger documents of up to 325 pages (70gsm).

Approximate pages to wire guide (80gsm):