The 12V max CXT Lithium-Ion cordless 2 pc. Combo kit includes a 3/8 In. driver-drill (FD09Z), 1/4 In. impact driver (DT03Z), two 12V max CXT Lithium-Ion 1.5 Ah batteries, and a contractor tool bag. The 3/8 In. driver-drill delivers power and speed in an ultra-compact size for efficient drilling, driving, and fastening. It has two speeds (0-450 & 0-1, 700 RPM) and delivers up to 250 in. lbs. of max torque. The impact driver delivers power and speed in an ultra-compact size for driving and fastening applications. It has variable speed (0-2, 600 RPM & 0-3,500 IPM) and delivers up to 970 in. lbs. Max torque. With Makita 12V max CXT Lithium-Ion slide-style batteries, users get superior balance and ergonomics over pod-style batteries. For longer run time, 12V max CXT cordless tools are also compatible with the 12V max CXT Lithium-Ion 4.0 Ah battery (BL1041B, sold separately). 12V max CXT Lithium-Ion batteries are engineered with a battery protection circuit that protects against overloading, over-discharging and over-heating. Its part of the expanding 12V max CXT series, combining performance with superior ergonomics in a compact size.