Bosch Hammer Drill/Driver Kit, Tool Only/Battery Included: Battery Included, 18 V, Battery Capacity: 2 Ah, Chuck Size: 1/2 in, Chuck Type: Keyless, Blows per Minute: 22,000 bpm, 0 to 460, 0 to 1800 rpm, Includes: (1) GSB18 V to 490 18 V EC Brushless 1/2 in Hammer Drill/Driver, (1) 18 V Lithium-Ion 2 Ah SlimPack Battery, (1) 18 V Charger, (1) 4x Bit Holder, (4) Bits, (1) Belt Clip and (1) Carrying Bag, Clutch Settings: 20, Motor Type: EC Brushless, Battery Type: Lithium-Ion, Control Type: Variable Speed Trigger Switch, Ergonomic HandlePowerful hammer drill/driver design made with a brushless motor to deliver runtime and power for tough applicationsEC brushless motor efficient power that delivers 490 in-lb of torque and outstanding runtimeRapid mode selection plus clutch with 20 settings provide driving accuracy for reduced fastener damageTwo speed gearbox choose between high-torque driving or high-speed drillingAll-metal chuck for more durability, along with first rate bit retentionGreat impact to weight ratio weighs just 2.4 lb, but delivers 0 to 22,000 bpmElectronic motor and cell protection longer life in tool and battery, helps protect from overloadOutstanding control variable drilling speeds for high-speed (0 to 1800 rpm) and high-torque (0 to 460 rpm)Ergonomic grip zone soft grip and improved design enables better handling and greater comfort