. Each socket size meets a minimum of 1.3 times the ANSI/ASME standard for proof torque.3/8 Inch Drive x 11/16 Inch 12-Point Impact Socket They're designed for use with both friction ring anvils and detent pin anvils.
3/8 Inch Drive x 6 Inch Impact Extension Made from premium 6140 Cr-V steel, it is precisely heat treated for superior strength and protected by a corrosion-resistant manganese phosphate finish. The through-hole in the drive end locks onto the tang of impact drivers.