Available in both 3:1 pitch and 2:1 pitch options for your Wire-O, TruBind, Akiles, Fellowes, GBC, ACCO, and many other binding machines, these twin loop wire spines come in a large selection of colors including black, white, silver, pewter, blue, green, and several more. 3:1 pitch wire-o comes in sizes from 1/4" up to 9/16", which means it can be used for books from 2 to 120 sheets. 2:1 pitch wire-o is typically available in the larger sizes from 5/8" up to 1 ¼", perfect for books from 135 to 280 sheets, but we also offer unique special smaller 2:1 wires in the full range of sizes, offering more versatility.
Wire binding supplies are packaged with 100 wires per box.