The Bosch 18V Lithium-Ion line of Cordless Impact Drivers use the industry's most advanced lithium-ion technology for greater battery life and more run time, all in a lighter package. The Bosch 25818-01 18V Lithium-Ion Impactor Driver, features High Performance Motor and All Metal Gears Deliver 2,800 RPM/3,200 BPM, Designed Hammer and Anvil System Produces 1,500 in.-lbs. (125 ft.-lbs.) of Dynamic Torque, Most Compact Impactor Design - For increased maneuverability in tight spaces and extended comfort.