Wire binding supplies come in 19-ring, 2:1 and 3:1 pitch. 19-ring binding wire can be used with the comb binding hole pattern, if you have a way to close the wire. 2:1 and 3:1 binding wire refers to the number of holes your binding machine punches. 2:1 wire binding supplies fit 2 holes/inch, and 3:1 binding wire fit 3 holes/inch. Although not as durable as PVC plastic binding supplies, twin loop wire does offer a professional look desired by certain companies. When you offer twin loop binding wire, along with other binding options, you are sure to meet everybody's binding needs.
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