In BusinessSince 1987
AZ, CA, DE, FL, GA, ID, IA, IN, MA, MD, MI, MO, NC, ND, NE, NJ, NY, OH, OR, PA, TX, WI
Position magnetic base so that the copper pad is behind joint or hole to be welded. Adjust knob up or down so that copper pad is flush against the back of void to be welded, and weld up hole. Remove tool and grind the excess weld.