| Pitch | Size (Inches) | Recommended # of Sheets (20 lb) |
| 3:1 | 3/16″ | 5-20 |
| 1/4″ | 20-30 | |
| 5/16″ | 30-50 | |
| 3/8″ | 50-60 | |
| 7/16″ | 60-80 | |
| 1/2″ | 80-100 | |
| 9/16″ | 100-120 | |
| 2:1 | 1/4″ | 20-30 |
| 5/16″ | 30-50 | |
| 3/8″ | 50-60 | |
| 7/16″ | 60-80 | |
| 1/2″ | 80-100 | |
| 9/16″ | 100-120 | |
| 5/8″ | 110-140 | |
| 3/4″ | 140-160 | |
| 7/8″ | 160-190 | |
| 1″ | 190-220 | |
| 1-1/8″ | 220-250 | |
| 1-1/4″ | 250-280 | |
| 1-1/2″ | 280-310 |
Wire
Twin loop metal wire is the most prestigious and secure binding system. Akiles twin loop wire is ideal for binding a vast range of articles, such as catalogs, manuals, books, agendas, calendars, and all sorts of sample booklets and swatches.
We stock a wide assortment of colors, with custom colors and lengths upon request.
