This All American is a basic heavy duty outfit with all the necessary components for industrial and commercial applications including cutting, brazing and welding. Optional equipment may be added as needed. RV80 Heavy Duty Series Regulators incorporate a durable stainless steel diaphragm, an accessible seat assembly and easy-to-read single scale brass cased 2 1/2" gauges. Our 780A Cutting Attachment with its unique one piece copper mixer sets the industry standard for most fuel gases 3 PSIG and above with the proper tip. The WH360 Welding Handle has O-ring sealed tube within a tube construction for long life.