Featuring stainless steel construction, this burner has been built to withstand the rigors of regular use. The burners are for natural gas applications only. Fire pit burner ring. Stainless steel construction provides heavy-duty durability. Features Rectangular Design Fire Ring For Use Natural Gas Only Specifications Finish: Stainless Steel Material: Stainless Steel Assembly Required: No Thread Size: 1/2″ Weight: 5 lbs – SKU: DGNL1446Stainless Steel Rectangular Fire Ring – 18 inch. Features: Stainless Steel Rectangular Fire Ring. 18″ Long x 15″ Wide.