Contractors Upgrade Kit Oxy/Acet includes Model 801 regulators, cutting attachment, handle with flashguards, mixer, cutting/brazing tips, flexible brazing tip, flashback arrestors & 10m of 6mm hose in a storm case. Suited for Brazing/Heating/Cutting/Welding and ideally used by plumbers and refrigeration mechanics. The 801 regulators have large diameter easy to read gauges. Flexible tip allows the operator to get into tight places. The Harris mixing system uses gas at much lower pressures which provides gas savings and increased safety. Operators will enjoy the front mounted valves, providing the ability to alter flame one handed.