[Features] The impact wrench socket can be attached and detached in one go. The auto-sliding inner socket makes it easier to use with scaffolding clamps, brackets, and catch clamps. Socket size: 17 x 21 mm.
[Applications] For scaffolding clamps, brackets, and catch clamps.
【specification】 Diagonal dimensions (mm): 17 x 21 Insertion angle (mm): 12.7 Total length (mm): 79 Opposite side shape: hexagonal (17mm)/12-sided (21mm) Opposite side (mm): 17 x 21