12 V cordless combination kit #31-122 comes complete with drill featuring a 3/8 In. keyless chuck, 1/4 In. impact driver two batteries and charger. Model #31-120 3/8 In. cordless drill: strong 12 V motor powered by a long lasting 2.0 Ah 12 V lithium ion battery. Two speed all metal gear box produces 0 to 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 In. impact driver: incredible strength producing 885 in-lbs of torque along with a long lasting 2.0 Ah 12 V 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. Variable speed motor FWD/rev function 3 Stage LED battery level indicators All metal gearing