Sealey 1000V Insulated Tool Kit 1/2"Sq Drive 49pc AK7939Hardened and tempered Chrome Vanadium steel sockets and accessories. Chrome plated for resistance to corrosion. Each component is fully insulated to VDE and EN 60900 standards to protect from electric shocks up to 1500V DC and 1000V AC. Features 45 tooth flip reverse comfort grip ratchet wrench with push button quick release, sockets, socket bits, extension bars, T bar, open end wrenches, pliers, cable knife, voltage tester, nut drivers, screwdrivers