This 1/2" impact socket features a 30 mm wrench width and 21 mm wrench depth, ideal for fastening hexagonal nuts with precision. Its 12-point double hex insert ensures a secure grip, enhancing torque transfer and minimizing slippage during heavy-duty impact screwdriver use. Key features: - 30 mm wrench width and 21 mm wrench depth - 50 mm overall length for versatile reach - Double hex (12-point) insert for optimal grip - Compatible with 1/2" drive impact screwdrivers - Surface protection applied for durability