Easy to use one person fence post driver. Runs off of any small air compressor that delivers at least 2.5 CFM at 70 PSI. Runs off air set at maximum 70 PSI. Over-pressuring can cause damage to the parts. The fence post driver’s compact size is ideal for remote locations and tight spots. Drives t posts without bending. Pounds posts wherever a hand driver will work, 80-85 strokes per minute. See the Man Saver Post DriverTM at work video below.