SOLIDOX (Solid Oxygen Welder):Solidox is chemically formulated to produce a 5,000'F flame idealfor Soldering,Brazing,Welding and Cutting. High performancecuts 1/4" flat steel and bolts up to 3/4" thick. For use in Shop,Home,Farm & On-the-spot repair. - COMPACT . PORTABLE . EASY TO STORE - [ Weight only 9 Lbs. ]