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. Supplied on socket rail.8pc 1/4 3/8 & 1/2Sq Drive Spline Socket Bit Set - Black Series• 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: 1/4Sq Drive; M4 M5 M6 3/8Sq Drive; M8 M10 M12 1/2Sq Drive; M14 M16.• Supplied on socket rail.• Lifetime guarantee*.• Model No. AK6214BModel No: AK6214B:Brand: Premier:Contents: 1/4Sq Drive (36mm); M4PTDSEAAK6214B
