Premier Black Deep Lock-On™ Socket Set 3/8"Sq Drive 12pc

- One of a comprehensive range of Premier Black Hand Tools, suitable for daily professional use. - Manufactured from hardened and tempered high grade Chrome Vanadium steel. - Fully polished black chrome finish for resistance to corrosion. - Features specially machined flutes in the walls of the socket which enable use on up to 85% rounded fasteners. - This not only provides added strength but also prevents damage to worn or rusted fixings. - Contents: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm. - Includes knurled ring for extra grip with oily fingers. - Supplied on socket rail. - Lifetime guarantee*.