6-point hex socket design prevents round-off deterioration under high torque and hammering stress when used with impact and electric wrenches against fasteners
Material is made of heavy duty drop-forged premium chrome vanadium steel to resist corrosion and absorb extreme levels of torque changes
Laser etched markings on corrosion resistant black phosphate finish easily identifies drive socket specs and measurements
Sturdy and strong blow molded case features socket size labels for organized storage and is secured by two lever locks
Set includes 3" and 6" drive impact extension bar, 3/8" universal joint, 1/2" to 3/8" reducer and the following socket sizes: SAE | Deep: 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 (inches) Standard: 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 (inches) | Metric Sizes | Deep: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 (millimeter) Standard: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 (millimeter)