ARKSEN Harris Type, Gas Welding & Cutting Torch w/Hose, Professional Set with Case Perfect for an Amateur Metalworker or a Seasoned Professional 3 welding nozzles (size No. 0, No. 2, No. 4), all with a swaged tip and individual spiral mixer Deluxe single stage regulators with reverse flow check valves, brass torch handle and brass valve body for maximum strength and durability Brass and steel cutting torch attachment; Brass and copper welding/heating tip Precision welding, cutting, brazing, soldering, hand facing and more! It'll cut up to 6" and weld or braze up to 1 / 2 " with appropriate tips