• One of a comprehensive range of Premier Hand Tools, suitable for daily professional use.
• Professional heat treated Chrome Vanadium steel sockets.
• Fully polished black chrome finish with machined and lacquered surfaces.
• S2 Steel spline bits with a phosphate finish.
• Knurled ring to assist gripping of socket with oily fingers.
• Contents: 1/4"Sq Drive; M4, M5, M6, 3/8"Sq Drive; M8, M10, M12, 1/2"Sq Drive; M14, M16.
• Supplied on socket rail.
• Lifetime guarantee*.