Akari 3/4 Inch Air Impact Wrench, 610 Nm Max Torque & 4800 RPM Speed (AT-IW-03)

An impact wrench, also referred to as an impactor, impact gun, air wrench, air gun, rattle gun, torque gun or windy gun, is a type of socket wrench power tool that uses a rotating mass to store energy before abruptly releasing it into the output shaft to produce high torque output with little user effort.