• 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: 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16".
• Includes knurled ring for extra grip with oily fingers.
• Supplied on socket rail.
• Lifetime guarantee*.