M-Bind Steel Spiral - 12.7mm x 51 Coil, 100/box, Black

These durable twin-loop binding wires designed for wire-O binding are available in 2:1 and 3:1 pitch.

Choosing the right format for binding can be a tough decision for you. Double loop wire binding is pretty easy, though. It tends to make you look like a million bucks. When you hand over a proposal or presentation to a prospective client, it will leave a great first impression. If image is everything, a wire spine does the job.

Make your documents and books stand out above the rest by using wire binding. Double loop wire or sometimes called spiral wire is the most durable method of binding. It works with all 3:1 and 2:1 binding machines.