The Makita 40V max XGT® 2-Pc. Combo Kit (4.0Ah) has it covered for drilling, driving, and fastening. The Kit features a 40V max XGT® Brushless 1/2"" Hammer Driver-Drill (GPH01Z) and a 40V max XGT® 4-Speed Impact Driver (GDT02Z), in a kit form that includes two (2) 40V max XGT® 4.0Ah Batteries (BL4040), a 40V max XGT® Charger (DC40RC), and a tool bag to carry it all in. The GPH01Z is powered by a Makita-built brushless motor that delivers 1,250 in.lbs. of Max Torque, outpowering other driver-drills in heavy-load applications. It offers up to 35% faster drilling speed, compared to Makita’s 18V LXT ½” Hammer Driver-Drill (XPH07), with two speed settings (0-650 and 0-2,600 RPM and 0-9,750 and 0-39,000 BPM). An ultra-smooth variable speed trigger provides optimum control. The GDT02Z is powered by a Makita-built brushless motor that delivers 1,860 in.lbs. of Max Torque, outpowering other impact drivers in heavy-load applications. An ultra-smooth variable speed trigger provides optimum control. Users get 4 speed settings (0-1,100/ 0-2,100/ 0-3,200/ 0-3,700 RPM & 0-1,400/ 0-2,600/ 0-3,600/ 0-4,100 IPM). The 2-speed Hammer Driver-Drill and the 4-speed Impact Driver are engineered to outlast with Extreme Protection Technology (XPT™) to provide increased dust and water resistance in harsh jobsite conditions. XGT® is a system of equipment, tools, batteries, and chargers utilizing 40V max lithium-ion batteries. XGT® is engineered to deliver high power to take on high-demand applications, allowing users to completely transition to a cordless job site. XGT® is equipped with advanced brushless motor engineering, intelligent digital communication, and superior durability features to outpower, outsmart and outlast the rest.