Professional heat treated Chrome Vanadium steel sockets. Fully polished black chrome finish with machined and lacquered surfaces. S2 Steel TRX-Star* stubby bits with a phosphate finish. Ideal for limited access applications. Knurled ring for extra grip with oily fingers. Supplied on socket rail. Features & Benefits:Professional heat treated Chrome Vanadium steel sockets.Fully polished black chrome finish with machined and lacquered surfaces.S2 Steel TRX-Star* stubby bits with a phosphate finish.Ideal for limited access applications.Contents: T8, T10, T15, T20, T25, T27, T30, T40, T45, T50, T55, T60.Knurled ring for extra grip with oily fingers.Supplied on socket rail.Lifetime guarantee*.Model No. AK6228B Specifications: Model No AK6228B Brand: Premier Black Contents: TRX-Star* Socket Bits; 1/4"Sq Drive - T8, T10, T15, T20, T25, T27, 3/8"Sq Drive - T30, T40, T45, T50, T55, 1/2"Sq Drive; T60 Drive: 1/4", 3/8" & 1/2"Sq Maximum Length: 44mm Minimum Length: 29mm