Features heat-treated, chrome moly steelBright chrome plating, with a polished surfaceTool is marked with size and part numberMade in TaiwanPerfect for the hard to get to Torx bolts on steering columns, air bags, transmissions and many other applications. Universal Joint Socket, 3/8 in. Drive, E12 Inverted Torx. Has 3/8 in. sq. dr bit holder.