Catalogue number: LM321S Features: ●Standard hexagonal type. Specifications: ●Face size (mm): 21 ●Drive socket size (mm): 9.5 ●Total length (mm): 32 ●Face shape: hexagonal ●Color: Silver ●Face (mm): 21 Material/Finish: ●Special steel Caution: ●Use a size that matches the size of the bolt and nut. ●Insert the bolt and nut all the way in. ●Do not hit with a hammer or apply shock. ●Do not use with power tools such as an impact wrench.
