Effortless Compatibility: Connects seamlessly to standard US gas cylinders (Acetylene: CGA-510 - fits most except MC/B sizes; Oxygen: CGA-540). Gas Regulator: Acetylene Connector (CGA-510, excludes MC/B sizes) & Oxygen Connector (CGA-540). Features high-capacity 2.5 diameter regulators for optimal gas flow and consistent power Package Include: Torch handle, cutting attachment, heating nozzle, cutting tip, welding nozzles (x3), regulators (Oxygen & Acetylene), hoses, check valves, goggles, tip cleaner, wrench, lighter, O-rings, and a rugged blow-molded storage case Easy to Use: To use this torch, attach the appropriate tip for your project, connect the oxygen and gas tank to the torch handle, and set the PSI to the necessary positions; Once you have ignited and adjusted to a neutral flame, move the flame to the metal and push the valve handle slowly; Move the torch tip slowly along the line of your cut until the metal has fully parted Built to Last: Constructed of heavy-duty metal parts, this welding torch set is ideal for first-time metal workers; This brazing kit is designed with copper tips and brass fittings for strength, durability, longevity, and precision; The plastic blow molded case provides safe storage for this portable torch kit.