The Model 62-5F is a heavy duty straight cutting torch designed to give maximum performance. The special "F" injector can produce the hottest flame possible at the lowest gas pressures. Fuel gas, up to 12" cutting capacity, equipped with external check valves. Compatible with 6290NX, 6290NXP, 6290NFF and 6290NFL series and Alternate fuel specialty tips. *1 year warranty.