This 3/8-inch square drive socket features a compact 30 mm length and 3 mm wrench depth, optimized for use with hexagonal nuts in confined spaces. Its magnetic design ensures a secure grip, improving efficiency in professional mechanical and assembly operations, especially when used with impact screwdrivers. Key features: - Square drive size: 3/8 inch - Length: 30 mm with 3 mm wrench depth - Wrench width: 8 mm for hexagonal nuts - Magnetic socket for reliable fastening - Suitable for impact screwdriver applications