This heavy/medium duty system cuts up to 3/4″ (19.1 mm) or 6″ (152.4 mm) with optional tips. It welds up to 1/8″ (3.2 mm) or 3″ (76.2 mm) with optional nozzles. The system includes: Heavy duty construction, Welding nozzle, RM-grade hose 25′ x 1/4″ (7.6 M x 6.4 mm), Striker and soft-sided goggles. Includes: Heavy duty construction; G350 Series regulators; WH411C torch handle with built-in check valves; CA411-1 cutting attachment; welding nozzle; cutting tip; RM-grade hose 25′ x 1/4″; striker and soft-sided goggles. Cylinder gas – acetylene.