ESAB® Oxweld® Internal 1566 Series Size 6 Two-Piece Natural Gas/Propane Nozzle has a capacity to cut metal of 6" thick. High-speed tip having a cutting speed of 6- 10 inches per min features cutting oxygen/preheat oxygen/fuel of 90/25 - 55/5 - 10 PSIG. Tip consumes total oxygen/fuel of 330 - 350/15- 20 CFH.