General description Sealey NS050 Premier Non-Sparking Socket is designed for professional use, manufactured from high-quality Beryllium Copper. This 1/2" square drive socket features a WallDrive® configuration, ensuring a secure fit and reducing the risk of damage to fasteners. Technical specifications Model No.: NS050 Material: Beryllium Copper Socket Size: 17mm Drive Size: 1/2" Square Configuration: WallDrive® 12-point Other information