The Makita Rotary Hammer offers a 12 AMP motor that delivers 230-360 RPM. The constant speed control applies additional power to the motor to maintain speed under load. The torque limiting clutch prevents gear damage by automatically disengaging gears during bit bind up. The efficient tool has a no hammering while idling to help increase the life. The tool includes (1) depth gauge, (1) side handle and (1) tool case.