• One of a comprehensive range of Premier Hand Tools, suitable for daily professional use.
• Forged Chrome Vanadium steel 1/4", 3/8" and 1/2"Sq drive sockets with S2 steel spline bits.
• 1/4"Sq Drive: 4, 5, 6mm, 3/8"Sq Drive: 8, 10, 12mm, 1/2"Sq Drive: 14, 16mm.
• Knurled ring to assist gripping of socket with oily fingers.
• Supplied on socket rail.
• Lifetime guarantee*.