1.Materila:High quality Cr-v 2.Cold hammered socket 3.Excellent heat treatment,high hardness,high flexibility 3 Way T-type Socket Wrench1.Materila:High quality Cr-v2.Cold hammered socket3.Excellent heat treatment,high hardness,high flexibility4.With Mirror Finish5.Size:8-9-10,8-10-12,9-11-13,10-12-14,12-13-14,12-14-17mm Professional tools 3 Way T-type Socket Wrench