Drop-forged Chrome Vanadium steel sockets, hardened & heat treated with a fully polished mirror finish. S2 Steel TRX-Star* bits with a blackened finish for resistance to corrosion. Sockets include 2mm hex set screw allowing easy replacement of individual bits. Contents: T5, T6, T7, T8, T10, T15, T20, T25, T27, T30. Supplied on socket rail. Model No. AK62252