Makita XT218MB 18V LXT Lithium-Ion Cordless 2-Pc. Combo Kit (4.0Ah) (Discontinued by Manufacturer) 2-speed 1/2" Hammer Driver-Drill (0-400 & 0-2,000 RPM) with Makita-built 4-pole motor delivers 750 in. lbs. of Max. Torque and weighs only 5.1 lbs 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 18V LXT Lithium-Ion 4.0 Ah battery BL1840 provides up to 35% more run time per charge Both tools feature Extreme Protection Technology (XPT) which is engineered to provide increased dust and water resistance in harsh job site conditions 18-Volt LXT Lithium-Ion 4.0Ah battery BL1840B, features an integrated L.E.D. battery charge level indicator (for MB kits)