One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. Hardened and tempered Chrome Vanadium steel sockets and accessories. Chrome plated for resistance to corrosion. Each component is fully insulated to IEC 60900 Category C standards to protect from electric shocks up to 1500V DC and 1000V AC. 1/2"Sq drive reversible ratchet, sockets, extensions, spanners, hex socket bits, screwdrivers, pliers, cable knife. Ideal for technicians working on modern hybrid and electrical vehicles (1500V DC safe live working). Also suitable for electricians and other trades (1000V AC safe live working). Supplied in storage case. Lifetime guarantee*.