This Action Impact Socket features a 1/2" drive and a 5/16" (0.313 inch) hex wrench width, delivering reliable fastening performance for hexagonal nuts in demanding industrial settings. Its robust construction ensures efficient torque transfer and high-impact resistance, ideal for professional maintenance and assembly tasks. Key features: - Drive size: 1/2 inch, compatible with standard impact screwdrivers - Hex wrench width: 5/16 inch (0.313 inch) - Wrench depth: 16 mm for secure engagement - Total length: 55 mm for versatile reach - Surface protection for enhanced durability