.3 times the ANSI/ASME standard for proof torque.1/2 Inch Drive x 18 mm 12-Point Impact Socket They're designed for use with both friction ring anvils and detent pin anvils. Each socket size meets a minimum of 1.
.3 times the ANSI/ASME standard for proof torque.3/8 Inch Drive Deep 12-Point Impact Socket Set with Rail, 12-Piece (8-19 mm) They're designed for use with both friction ring anvils and detent pin anvils.