The Makita XDT04RW 18V LXT 3.0 Ah Cordless Lithium-Ion 1/4 in. Impact Driver Kit delivers more torque with less weight and superior ergonomics with a fast-charging battery for less downtime. It features variable speed power that provides 0 - 2,300 RPMs, 0 - 3,200 IPMs, and 1,420 in-lbs. of maximum torque for a wide range of fastening applications. However power was not the only thing in mind when designing this impact driver. A rubberized soft grip provides increased comfort on the job, and the compact, lightweight design won't add additional strain during prolonged use. The XDT04RW is equipped with Star Protection Computer controls that protect both batter and tool against overloading, over-discharging, and overheating.