Hex Socket Bit Set Lock-On? 8pc 1/4" & 3/8"Sq Drive Metric

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.8pc 1/4 & 3/8Sq Drive Lock-On™ Hex Socket Bit Set• 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: 1/4Sq Drive; 3-6mm 3/8Sq Drive; 7-10mm.• Supplied on a metal socket rail.• Lifetime guarantee*.• Model No. AK65600Model No: AK65600:Brand: Premier:Contents: 1/4Sq Drive; 3PTDSEAAK65600