General description Sealey Premier Non-Sparking Socket 1/2" Square Drive 27mm is designed for safety and efficiency in professional environments. Manufactured from Beryllium Copper, this socket is part of a comprehensive range of Premier Non-Sparking Safety Tools, making it suitable for daily professional use. Technical specifications Model No.: NS059 Material: Beryllium Copper Socket Size: 27mm Drive Type: 1/2" Square Drive Configuration: WallDrive® 12-point socket Lifetime guarantee* Other information