2-speed 3/8 In. driver-drill (0-350 & 0-1, 300 RPM) delivers 200 in. lbs. Of max torque in an ultra compact size of only 2.2 lbs. Variable speed impact driver (0-2, 400 RPM & 0-3,000 IPM) provides 800 in. lbs. Of max torque in an ultra compact design of only 2.0 lbs.