Drop-forged Chrome Vanadium steel sockets with CrV steel TRX-Star* bits. Sockets heat treated and chrome plated for resistance to corrosion. Fully polished finish with knurled ring to assist gripping with oily fingers. 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