• 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.
• 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.
• Includes knurled ring for extra grip with oily fingers.
• Contents: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14mm.
• Supplied on socket rail.
• Lifetime guarantee*.