Professional heat treated Chrome Vanadium steel sockets.
Fully polished black chrome finish, machined and lacquered surfaces.
S2 Steel spline bits, a phosphate finish.
Knurled ring to assist gripping of socket, oily fingers.
Sizes:
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*