Drop-forged Chrome Vanadium steel sockets, hardened and heat treated with a fully polished mirror finish. S2 Steel TRX-Star* bits with a blackened finish for resistance to corrosion. Smaller sizes feature reduced shoulder for easier access to recessed fixings. Sockets include 2mm hex setscrew allowing easy replacement of individual bits. Features & Benefits:Drop-forged Chrome Vanadium steel sockets, hardened and heat treated with a fully polished mirror finish.S2 Steel TRX-Star* bits with a blackened finish for resistance to corrosion.Smaller sizes feature reduced shoulder for easier access to recessed fixings.Sockets include 2mm hex setscrew allowing easy replacement of individual bits.Contents: T10, T15, T20, T25, T27, T30, T40, T45, T50.Lifetime guarantee*.Model No. AK62261 Specifications: Model No AK62261 Brand: Premier Contents: 3/8"Sq Drive 150mm TRX-Star* Socket Bit; T10, T15, T20, T25, T27, T30, T40, T45, T50 Drive: 3/8"Sq Maximum Length: 150mm Minimum L