Hex Key Socket Bit Set 9pc 3 / 8″Sq Drive Metric Black

• 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 hex bits with a phosphate finish.
• Knurled ring for extra grip with oily fingers.
• Contents: 4, 5, 6, 7, 8, 9, 10, 11, 12mm.
• Supplied on socket rail.
• Lifetime guarantee*.