Koike Aronson/Ransome Size 1 Natural Gas Divergent High Speed Oxygen Tip cuts 1/2" thick plate, requires oxygen pressure of 40 PSI, preheat oxygen pressure of 40 PSI and fuel pressure of 2.9 PSI for cutting. Tip features a 21 inches per min cutting speed, 0.07" kerf width for a steady/safe cutting and used for MAPP™, HPG™, CHEMTANE2 ™ torches.