These facom 12 point ogv sockets have a 38 inch drive to fit 38 inch ratchets the sockets are long reach and their ogv profile allows tightening torque to be applied to the sides rather than to the angles of the nutbolt they are an excellent choice for tighteningloosening harder to reach nuts bolts and other fasteners available in a range of different metric sizes performance conform to iso 2725 1 din 3124 and nf iso 2725 1