... material: Black steel and stainless steel. Fire rings1, Gas fire rings for fire burner,fire table,fire pit or other fire stove,fire bowl etc.2, Size: From ... more accurate and don't leave debris inside the tube.B), Our welding is machine done so parts go together more ... the rings so our flames are larger.So our fire rings for fire burner,fire pit,fire bowl will be your best selection, welcome to ...