Dual action, hammer or rotary, to handle various applications. Powerful 5.5 amp motor with metal gears and ball bearing construction. Heavy duty 1/2 In keyed chucks. Large, top slide button to choose hammer or rotary action. Easily accessible side-mounted speed dial. Lock-on trigger button for continuous use. Ergonomically-designed handle with GripZone. Adjustable auxiliary handle assembly with depth gauge rod. 10 ft cord.