... . oxygen-acetylene 2. oxygen-propane 3.brass 4.used for welding or cutting steel, and other gouging ... gouging torchCutting torch features:1) GO2-250 used nozzles for British style cutting torches: ANM, PNM, ANME, ... PNME,AGNM, ASNM2) GO2-350 used nozzles for French style cutting torches: 10 / 10,16 / 10, ... / 10, 30 / 103) GO1-150 used nozzles for American style cutting torches: 6290-0/1/2/3/4 ...