Socket Set 12pc 3 / 8″Sq Drive Lock-On™ 6pt Metric

• One of a comprehensive range of Premier Hand Tools, suitable for daily professional use.
• Manufactured from hardened and tempered high grade Chrome Vanadium 6142 steel.
• Fully polished mirror finish for resistance to corrosion.
• Feature 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*.