-Powerful right-angle, worm-gear drive motor. -Designed for power seat adjustment in automobiles. -The final drive mechanism rotates inside of the housing on the front of the motor. -4mm square shaft not included. -Motor body is 3.5" max width including connector x 2.5" max height x 5.5" long including gear head. -Mounting flange at gear end of motor has two holes on 2.25" centers. -Power terminals are inside a plastic connector body on one side of the motor.