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Old 01-05-2015, 08:03 PM
Essexmetal Essexmetal is offline
Join Date: Sep 2012
Location: Novi, MI
Posts: 144

Mag hammers were popular for planishing and light forming functions for their ability to move the material without stretching it. I have tried it, perhaps I did not have the best application since I did not see the "magic" results.

If I remember Trident tools used to sell them. I also remember seeing them used in a video on RS Panels in the UK. The metalman was un-wrinkling a folded up aluminum body corner and the Mag hammer was key to flattening the folds without thinning (stretching) the panel.
Rick Mammel
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