11″ in length, 3:1 pitch translates to 3 holes per inch for a total of 34 holes.
Diameters starting at 1/4″ up to 5/8″ and are able to hold from 5 to 135 sheets of 70gsm paper.
These wires are compatible with any 3:1 wire binding machine or wire closer.

Specifications: 34 loops (3:1)
Standard Colours : Black and White
Other Colours : Blue, Red, Bronze, Silver  and Gold.

Size and Packing in box:-
6.4mm-6.9mm (1/4") - 100pcs/box
7.9mm-8.0mm (5/16") - 100pcs/box
9.5mm (3/8") - 100pcs/box
11.0mm-11.1mm (7/16") - 100pcs/box
12.7mm (1/2") - 100pcs/box
14.3mm (9/16") - 100pcs/box
15.9mm-16.0mm (5/8") - 50pcs/box