Exclusive twin hammer impact mechanism delivers a balanced blow. Composite housing and powerful 6 vane motor ensures durability for your toughest tasks. Variable speed trigger gives you the control to adjust the tool?s speed for any kind of project you are working on. 9500 RPM. 1200 BPM. Handle exhaust blows air away from your project, eliminating the mess and increasing your productivity. 550 ft-lbs max torque.