1997 - Volume #21, Issue #4, Page #19
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Air-Powered Post Driver
You can drive fenceposts all day long and hardly break a sweat, says the manufacturer of this new lightweight air-powered post driver.
Due to its innovative design, it weighs just 26 lbs. An inner sleeve clamps in place. Air pressure lifts the device off the sleeve, then drives it downward at a rate of 80 to 85 s..........


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1997 - Volume #21, Issue #4