That little guy would be unlikely to make a 1/2" impact run for very long. A couple of impacts and it'd be out of air. I would not bet on it working. 1/2" impacts use 5-6 cfm of air and your compressor puts out .39.It's a small 2 gallon. I can't find CFM or HP .... (it's a Campbell Hausfeld FP209501)
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