Variable 2-speed 1/2" Hammer Driver-Drill (0-400 & 0-1,500 rpm) with Makita-built 4-pole motor delivers 480 in. lbs. of max torque and weighs only 4.0 lbs with battery. Variable speed Impact Driver (0-2,300 rpm & 0-3,200 ipm) provides 1,420 in. lbs of max torque and weighs only 3.3 lbs with battery. Brushless grinder delivers 8,500 rpm and weighs only 5.5 lbs with battery for reduced operator fatigue. Impact Driver and Grinder both feature Extreme Protection Technology (XPT) which is engineered to provide increased dust and water resistance in harsh job site conditions. Ergonomically designed bodies and grip for increased operator comfort. Equipped with Star Protection Computer Controls to protect against overloading, over discharging and overheating. 18 volt LXT Lithium-Ion 3.0Ah battery BL1830 reaches full charge in 30 minutes or less. Rapid Optimum Charger has a built-in fan to cool the battery for faster, more efficient charging. Rapid Optimum Charger communicates with the battery'