General description Sealey NS047 Premier Non-Sparking Socket is designed for professional use, manufactured from high-quality Beryllium Copper. This 1/2" square drive socket features a WallDrive® 12-point configuration, ensuring a secure grip and reducing the risk of rounding off fasteners. Technical specifications Model No.: NS047 Material: Beryllium Copper Socket Size: 14mm Drive Size: 1/2" Sq Configuration: WallDrive® 12-point Other information