Description • One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. • 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*.