Chrome Vanadium steel sockets with S2 steel TRX-Star* bits. Sockets heat treated and chrome plated for resistance to corrosion. Fully polished finish with knurled ring to assist with grip and control. Supplied in storage case. Features & Benefits:Chrome Vanadium steel sockets with S2 steel TRX-Star* bits.Sockets heat treated and chrome plated for resistance to corrosion.Fully polished finish with knurled ring to assist with grip and control.Contents: Length 55mm; T20, T25, T27, T30, T40, T45, T50, T55, T60, T70, Length 100mm; T20, T25, T27, T30, T40, T45, T50, T55, T60, T70, Length 140mm; T40, T45, T50, T55, T60, T70, Length 200mm; T40, T45, T50, T55, T60, T70.Supplied in storage case.Lifetime guarantee*.Model No. AK2194 Specifications: Model No AK2194 Brand: Premier Contents: 1/2"Sq Drive TRX-Star* Socket Bits; Length 55mm - T20, T25, T27, T30, T40, T45, T50, T55, T60, T70, Length 100mm - T20, T25, T27, T30, T40, T45, T50, T55, T60, T70, Length 140mm - T40, T45,