Alumni Pro®-Welds aluminum with a propane torch! Welds aluminum, pot metal, galvanized and zinc based metals in 3 easy steps. Costs only pennies an inch, stronger than aluminum, no flux and no fumes, strong corrosion resistance, and low working temperatures. Use with 1/32 - 3/8 in in metals. Applications include lawn equipment, boat propellers, chainsaw repair, carburetor repairs and engine castings.