These high quality White 3:1 Pitch Twin Loop Wires are some of the best wire binding spines on the market today. Also called Wire-O, WireBind, and Double Loop Wire, these white 3:1 pitch elements let pages lie flat with 360 Degrees rotation for convenient note-taking and photocopying as well as provide a permanent bind to your documents--meaning your pages stay secure and protected. Not only that, but these white 3:1 pitch wire spines look a tad more refined than a plastic comb or spiral coil. These white 3:1 pitch twin loop wires come open in a "C" shape, allowing you to insert the spines into your punched pages and then simply use your wire binding machine or wire closer to finish your books.
| Size | Pitch | Approximate Capacity (20# Paper) |
|---|---|---|
| 3/16" | 3:1 Pitch (32 Loops) | 5-20 Sheets |
| 1/4" | 3:1 Pitch (32 Loops) | 20-30 Sheets |
| 5/16" | 3:1 Pitch (32 Loops) | 30-50 Sheets |
| 3/8" | 3:1 Pitch (32 Loops) | 50-60 Sheets |
| 7/16" | 3:1 Pitch (32 Loops) | 60-80 Sheets |
| 1/2" | 3:1 Pitch (32 Loops) | 80-100 Sheets |
| 9/16" | 3:1 Pitch (32 Loops) | 100-120 Sheets |
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