Very strong magnet, the dial allows you to align the copper spoon/plate with what you are welding. Tested on 22g and 26g panel with NR-211-MP Lincoln NR-211-MP submerged arc welder with high frequency flux. There will soon be tests with inetub ba71gs. It really helps with those thin plates, can only imagine if you had gas protection. I'm a total newbie and have found this very useful, especially when using a 22g+ submerged arc welder.
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