... with front flange, backflange and U-clamp.BEZEL MATERIAL:Steel black bezel, steel bezel, chrome plated bezel, brass bezel, steelroll ring (or bayonet threaded ring ... with front flange, backflange and U-clamp.BEZEL MATERIAL:Steel black bezel, steel bezel, chrome plated bezel, brass bezel, steelroll ring (or bayonet threaded ring ...