This Makita Combo Kit infuses the L times DT08Z Impact Driver with Brushless motor with the L timesPH05Z Hammer Drill with Brushless motor, making it a one of a kind product. The efficient Makita BL Brushless motor is electronically controlled to maximize the battery energy use for up to 50-Percent prolonged runtime per charge. The brushless motor eradicates the need for carbon brushes, making it possible for the motor to run cooler and more efficiently for prolonged life. The electronically controlled motor uses energy to correspond torque and RPM to the shifting needs of the application. The Makita Impact driver motor provides 1,420-Inch-Pound of torque. It has a compact design at only 5-7/8-Inch long and weighs just 3.4-Pound for lessened operator fatigue. The Hammer drill is outfitted with a variable 2-speed (0-400 and 0-1,500 RPM) covers a lot of drilling and driving applications. The compact and ergonomic design comes in at only 7-5/8-Inch long and weighs only 3.8-Pound for decreased operator fatigue.