Lisle 19270 #2 Stuck Bolt, Nut and Stud Remover Removes standard and metric bolts, nuts and studs Drive the proper size remover over the bolt head, nut or stud; the remover spline cuts into the bolt head or threads for a sure grip #2 Remover, fits 5/16", 8mm For more information check the main Lisle tool- 19250 Replacement part for Lisle tool- 19250