Product Description The Makita 12V max CXT? cordless 1/4? impact wrench, tool only (WT04Z) delivers power and speed in a compact size for efficient fastening. It is an ideal solution for working in tight spaces and overhead applications. With Makita 12V max CXT? Lithium-Ion slide-style batteries (sold separately), 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 4.0Ah battery (BL1041B). 12V max CXT? Lithium-Ion batteries are engineered with a battery Protection circuit that protects against overloading, over-discharging and over-heating. It?s part of the expanding 12V max CXT? series, combining performance with superior ergonomics in a compact size. The 12V max CAT? 1/4? impact wrench weighs only 2.3 lbs. (With 2.0Ah battery, sold separately), with variable speed (0-2, 600 RPM 0-3, 200 IPM) and 44 ft.Lbs. Of max torque. Makita?s entire line-up of impact drivers and impact wrenches including the WT04Z is engineered with a proprietary hammer and anvil impact mechanism that is manufactured using the best raw materials with the highest quality Steel, as well as a unique heat-hardening process for maximum fastening and driving power.