3 to 135 sheets Double wire 3:1 pitch is a traditional wire binding. Available in a wide variety of colors, this Double wire gives all your bound documents a durable image and 360 degree open. A4 = 34 hole .white.. silver black white red blue silver
size | Each $ | Box $ |
1/4 inch (6.4mm) | 3 | $180/100 |
5/16 inch( 8 mm) | 4 | $220/100 |
3/8 inch ( 9.5 mm) | 4 | $255/100 |
7/16 inch (11 mm) | 5 | $330/100 |
1/2 inch (12.7 mm) | 5.5 | $180/100 |
9/16 inch (14.3 mm) | 7 | $225/100 |
5/8 inch (16 mm) |