... 6" to 48" 3,The material: Black steel or stainless steel Fire rings1, Gas fire rings for fire burner,fire table,fire pit or ... The material: Black steel tube, stainless steel tube.6, Surface treatment: Black powder coating on steel tube or electrolytic polishing on stainless steel material.7, Excellence ... rings so our flames are larger.So our fire rings for fire burner,fire pit,fire bowl will be your ...