Using the hammer to pre stretch some 16 gauge running boards I'm making. #quickworkpowerhammer #quickwork #powerhammer #sheetmetalfabrication #metalshaping #metalfabrication #nibblermedium #pullmax #ercoshrinker #blackhawkportopower #blackhawktools #blackhawkportopower #fabrication #handmade #runningboards #scratchbuilt https://www.instagram.com/p/B5LVrfMH7gO/?igshid=ezfzeousq555













