Model 31-120 3/8″ Cordless Drill: Strong 12V motor powered by a long lasting 2.0Ah 12V Lithium Ion battery. Two speed all metal gear box produces 0-350 RPM on low range and 0-1,350 RPM on high range. Drill produces 204 in-lbs of torque. Model 31-121 1/4″ Impact Driver: Incredible strength producing 885 in-lbs of torque along with a long lasting 2.0Ah 12V Lithium Ion battery give you the ability to drive screws and fasteners effortlessly. Both Drill and Impact Driver have three-stage LED battery level indicators, variable speed switches with FWD/REV function. They also include LED work lights and comfortable rubber grips on ergonomically designed handles to dampen vibration. Includes carrying case.