Wire Binding Supplies.
2:1 Pitch Wire Binds for use with all wire binding systems that punch 21 round or square holes on an 11" sheet of paper.

2:1 Wire Binding
Item# 21wb
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Product Description

21 Loop Wire Binding Elements.
For use with a 2:1 wire binding machine. Sizes 1/4" - 1 1/4". - 100 /box
2:1 wire binding supply

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