Catalog number: 4TR-21 Features: ●Even when the hexagonal part of a bolt or nut is severely worn or rusted and cannot be turned with a socket or open-end wrench, it can be firmly gripped and turned. ●For loosening right-hand screws only (left-hand rotation only). Specifications: ●Face size (mm): 21 ●Drive socket size (mm): 12.7 ●Total length (mm): 32 ●Face size (mm): 21 Material/Finish: ●Structural steel Note: ●The applicable size will change depending on the degree of wear and condition, so it is necessary to check the actual product.
