This 1/2" square drive socket features a 12 mm wrench width and 14 mm depth, with a total length of 78 mm. It is optimized for fastening hexagonal nuts and compatible with impact screwdrivers, ensuring efficient torque transfer in professional mechanical and industrial settings. Key features: - Connection size: 1/2" square drive - Wrench width: 12 mm, depth: 14 mm - Length: 78 mm for extended reach - Suitable for impact screwdriver use - Surface protection: Other, enhancing durability