4X Extra Deep Long Metric Impact Socket 1/2" Drive 6 Sided Single Hex 18-24mm AU Specifications Choice The key to success with a socket wrench is pattern matching: the socket must match the nut, take hexagon nuts For example: meature the distance across hexagon nutChoose a right socket. For example, the distance across hexagon nut is 18.95mm and you should choose 19mm socket Socket Length Choice Long socket is needed in some occations, if bolts are in the deep bolt-hole and the nut should be turned throught a long distance Long Socket 4PCS 24*200mm +20*200mm +19*200mm +18*200mm












