With GBC 1" WireBind Spools (2:1 Pitch), you can take presentations to the next level. GBC Twin Loop™ Spools are for use with high-productivity STL1000 finishers and other spool compatible machines.
2 loops per inch, 21 holes
| Product Type | Binding Spines |
| Spine Type | WireBind Twin Loop Spools |
1 Spool
