This 3/8" square drive socket features an 11 mm wrench width and 5 mm depth, providing a precise fit for hexagonal nuts. Its magnetic design ensures secure fastener retention, enhancing efficiency in mechanical and industrial tasks. The 55 mm length supports versatile use with impact screwdrivers. Key features: - 3/8" square drive connection - 11 mm wrench width and 5 mm depth for accurate engagement - Magnetic socket for reliable fastener holding - Compatible with impact screwdrivers - Surface protection applied for durability