
Professional heat treated Chrome Vanadium steel sockets. S2 Steel hex bits with a zinc phosphate finish. Removes rusted, damaged and severely rounded hex head fasteners with ease. Patented twist design grips tighter as they turn preventing fasteners from rounding. Supplied on a metal socket rail. One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. Professional heat treated Chrome Vanadium steel sockets. S2 Steel hex bits with a zinc phosphate finish. Removes rusted, damaged and severely rounded hex head fasteners with ease. Patented twist design grips tighter as they turn. Prevents fasteners from rounding. Sizes: 1/4""Sq Drive; 3-6mm, 3/8""Sq Drive; 7-10mm. Supplied on a metal socket rail. Lifetime guarantee*.