The Hot Max MM-1 Mobile Max is a complete oxy-acetylene welding and cutting kit. The Victor® Style medium duty torch handle and cutting head are all brass and stainless steel construction. The heavy duty molded tote is lightweight, mobile, yet durable. Built in storage compartment makes it easy to keep cutting tips, nozzles, striker, tank wrench, and all your other small parts close at hand and keeps them from getting lost. Welds up to 1/4" mild steel, cuts up to 4" mild steel, or easily silver solders up to 3/4" copper pipe (Larger tips are required for cutting/welding material this thick, sold seperately). The Hot Max MM-1 includes heavy duty molded tote, 20 cubic foot (R size) refillable oxygen tank with CGA-540 brass valve, 10 cubit foot (MC size) refillable acetylene tank with CGA-200 brass valve, medium duty oxygen and acetylene regulators (UL listed), 3/16" x 10 twin welding hose with B fittings (UL listed), all brass and stainless Victor® style torch handle and cutting head (UL listed), one 3-101-1 Victor® style cutting tip, one 1-W-1 Victor® style welding tip, fixed front goggle with #5 lens, single flint striker, and MC size tank wrench. Tanks are empty. Victor® is a registered trademark of Thermadyne Industries. Hot Max is not affiliated with Thermadyne Industries and these products are not manufactured by Thermadyne Industries.