Craftsman Evolv 18.0 Volt Cordless Drill/Driver Kit with NiCAD Battery, Charger and Double-Ended Driver Bit Included 24 tension selection clutch delivers just the right power for the job Keyless chuck grabs tight and swaps fast Ergonomic design fits comfortably in your hand 18v NiCd power delivers torque and speed High torque (0-350 RPM) and high speed (0-1300 RPM) settings adjust quickly