This 3/8" square drive socket with a 10 mm wrench width is ideal for precise engagement with hexagonal nuts, ensuring effective torque transfer in mechanical and industrial applications. Its compact 30 mm length and 4 mm wrench depth facilitate access in confined spaces, while magnetic properties enhance ease of use with impact screwdrivers. Key features: - Connection size: 3/8" square drive - Wrench width: 10 mm for hexagonal fasteners - Length: 30 mm, wrench depth: 4 mm for tight spaces - Magnetic socket suitable for impact screwdrivers - Surface protection applied for durability and corrosion resistance