Edge series, 1/2", high torque, composite impact tool, twin hammer plus impact mechanism delivers 690 ft/lb of reverse torque, 8,200 rpm free speed, produces 1,200 blow per minute in impact mode, quiet tool technology reduces noise levels, powerful 6 vane motor, feather touch trigger, 1 handed pushbutton forward/reverse makes it easy to control in either direction, 5 cfm average air consumption, handle exhaust blows air away from your project, eliminating the mess & increasing productivity, lightweight & durable for any job, 1/4" inlet, 3/8" minimum hose size.