19 MM Wire-O Binding Ring (2:1)

Kavinstar Wiro Binding Materials Built with High Grade Steel Metal – Wire binding is the most popular binding solution for businesses who need to create professional-quality books. Available in a wide variety of colors, Wire-O® Binding gives all your bound documents a classic look. Spiral Binding Company is the largest manufacturer of Wire-O® in North America! The Wire-O spines offer a clean and high-class appeal that is unmatched by any other traditional binding method. Books bound with Wire-O double-o wires lay flat and the sheets can flip a full 360°.
Available in both 3:1 pitch and 2:1 pitch options for your Wire-O 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 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 1-1/4″, perfect for books from 135 to 280 sheets. 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. If you need a custom-cut length, visit our custom wire page for info and to request a quote.