Powerful 8.0 amp motor, 0 to 850 rpm, variable speed control. Grip strength - exclusive, all metal ratcheting chuck with carbide jaws has the highest grip torque on bits. All metal gear case and diaphragm. 8 ft. 3-wire Quik-Lok rubber cord for easy storage and field replacement. 360 degree locking side handle. Ergonomic tactile grip and two finger trigger for user comfort and balance.