Catalogue number: 19842 Features: ● Impact wrench socket can be attached and detached in one go. ● Auto-sliding inner socket makes it easy to use with scaffolding clamps, brackets, and catch clamps. ● Socket size: 17 x 21 mm. Applications: ● For scaffolding clamps, brackets, and catch clamps. Specifications: ● Opposite side dimensions (mm): 17 x 21 ● Drive size (mm): 12.7 ● Total length (mm): 79 ● Opposite side shape: 6-sided (17 mm)/12-sided (21 mm) ● Opposite side (mm): 17 x 21 Material/Finish: ● Chromium molybdenum steel
