This 3/8" square drive socket features a 13 mm wrench width and a compact 30 mm length, providing precise fit and easy access in confined spaces. Its magnetic design ensures secure handling of hexagonal nuts, making it suitable for impact screwdrivers in mechanical and industrial settings. Key features: - Connection size: 3/8" square drive - Wrench width: 13 mm for hexagonal nuts - Length: 30 mm with 5 mm wrench depth - Magnetic for secure nut retention - Suitable for use with impact screwdrivers