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 Plated Brass Dura-Collars |
| Enough stock so that threads will not strip and can be re-worked for many other uses. No. DU-137 to DU-141 are available in sets of 4, complete with Allen wrench. Heavy duty collars DU-243 and DU-244 are available 2 per set. No. DU-595 to DU-599 are available in sets of 12. |