Powered by 2-piece rare earth magnet motor and motor cooling system, Model DV18DMR/DV14DMR can drill, drive, and hammer into wood, plastic, steel, aluminum, brick, and concrete block. Two 3 A-hr NiMH batteries power 18 V model to deliver 550 lb-in. of torque; 14 V model delivers 460 lb-in. of torque with two 2 A-hr NiCd batteries. Drills offer 2-speed transmission, no-load rpm, 1/2 in. industrial grade keyless chuck, and 22-stage slip clutch for precise drilling and driving.