ESAB® Oxweld® 1515 Series Size 4 Nozzle/Cutting Tip cuts 7" metal thickness and has gas pressure of 35 - 40 PSIG for cutting oxygen, 25 - 55 PSIG for propane or natural gas. Requires gas consumption of 270 - 320 CFH for total oxygen and 12 - 18 CFH for propane or natural gas. Nozzle/cutting tip features 8 preheat holes for cutting and trimming.