This 3/8" square drive socket with a 15 mm wrench width and 30 mm length provides precise engagement with hexagonal nuts, ensuring efficient torque transfer. Its compact size and magnetic feature facilitate work in confined spaces, making it suitable for impact screwdrivers in automotive and mechanical applications. Key features: - Connection size: 3/8" square drive - Wrench width: 15 mm, wrench depth: 6 mm - Length: 30 mm for tight space access - Magnetic for secure nut retention - Surface protection for enhanced durability