With Airco regulation 327L & 4 Tips Aitco Instruction. I go by weight, box size and your zip code.Get images that make Supersized seem small. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Welding & Soldering Equipment\Welding Equipment & Accessories\Welders, Cutters & Torches\Multiprocess Welders & Cutters". The seller is "gklauser" and is located in this country: US. This item can be shipped worldwide.