Drop-forged Chrome Vanadium steel sockets and TRX-Star* bits. Knurled ring on sockets to assist gripping with oily fingers. Satin finish sockets give additional corrosion resistance. Supplied on socket rail. Features & Benefits:Drop-forged Chrome Vanadium steel sockets and TRX-Star* bits.Knurled ring on sockets to assist gripping with oily fingers.Satin finish sockets give additional corrosion resistance.Contents: TRX-Star*; 1/4" Drive - T10, T15, T20, T25, T27, T30, 3/8" Drive - T40, T45, T47, T50, T55, 1/2" Drive - T60.Supplied on socket rail.Lifetime guarantee*.Model No. AK6213 Specifications: Model No AK6213 Brand: Premier Contents: TRX-Star* Socket Bits; 1/4"Sq Drive - T10, T15, T20, T25, T27, T30, 3/8"Sq Drive - T40, T45, T47, T50, T55, 1/2"Sq Drive - T60 Drive: 1/4", 3/8" & 1/2"Sq Maximum Length: 55mm Minimum Length: 38mm Nett Weight: 0.45kg