The Partner Steel 16in 4 Burner Stove with Break Apart Hinge is made from high grade aluminum, and hand welded by Partner Steel's expert, professional welders in Pocatello, Idaho. The grills are Stainless Steel with brass gas manifolds. The stoves are designed to remain rust-free and very low maintenance, providing years of service even in the most harsh environments. The Partner Steel 16in 4 Burner Stove with Break Apart Hinge comes with regulator and hose. The Break Apart Hinge allows you to seperate the stove into two individual 2 burner stoves. Set them up buffet style, or leave half at home when the 4 burner is overkill. Stash the 16in 4 Burner in a 20mm Rocket Box for the ultimate packed setup.