This range of Kennedy 3/8 inch insulated hexagon sockets is built for safety, strength and reliability in high-voltage environments. Manufactured from durable chrome vanadium steel and protected with dual-layer insulation, each socket is individually tested to isolate against up to 1000 volts. Socket sizes range from 6mm to 22mm and conform to IEC 60900 safety standards. Features and Benefits Drive size 3/8 inch square drive ideal for precision electrical work Socket size range from 6mm to 22mm to suit a variety of tasks Socket type insulated single hexagon for secure and safe fastening Material chrome vanadium steel for high strength and wear resistance Finish dual-layer insulation for protection against electrical short circuits Size system metric with clearly marked sizing for quick identification Standards Conforms to IEC 60900 for certified safety in live working environments