Ideal for working in tight spaces and overhead applications Brushless motor 2 stage impact power 1/2″ square drive for quick socket changes Electric brake Variable speed control by trigger Forward/reverse rotation Reverse rotation auto stop mode; this mode works only with fully pulling the trigger in counter-clockwise rotation. When the bolt/nut is loosened enough, the tool stops the impact and rotation in 0. 2 seconds Standard bolt M8 to M16 and high tensile bolt M6 to M12 Not compatible with G-Series batteries, Weight: 2.46476808916 Pounds, Manufacturer: Makita