This heavy duty two-hose machine cutting torch is capable of cutting 12 inches (305mm) with acetylene, LP or natural gas. Ease-on cutting lever reduces blowback in piercing and keyholing in restarts, extending tip life and providing high-quality precision cuts. Torch barrels easily adjust to four positions at 90-degree increments. Barrel diameters are 1-3/8 inches (9.5 mm) to fit most machines. Rack pitch is 32-10 teeth per inch. Stainless steel ball-type valves provide fine adjustment and positive shut-off. Works with all SC Series cutting tips.