A fully insulated 1/2"D ratchet with a reversible 72 tooth mechanism, VDE and GS certified for safe operator use on live circuits up to 1000v AC and 1500v DC. It features a ratchet direction switch on the base of the handle, together with a ratchet locking mechanism and socket release button, to help keep the users hand away from the working end of the wrench. It also features a curved ergonomic handle, with a thermoplastic rubber non-slip grip. Suitable for use by technicians and mechanics working on hybrid and electric vehicles, together with professional electricians and installers.