Give your papers, files, and documents a professional touch with these plastic spiral binding coils. These binding coils can help to hold and organize a variety of paper sheets and files with one coil. They are also perfect to use at home or for the office. These durable coil spines will hold your documents and papers securely in place, up to 110 pages. Binding coils measure approximately 12 inches in length and 14 millimeters in diameter and has a punching pitch of 4:1.