... MATERIAL:Steel case, steel black case, steel chrome plated case, steel gold plated case,brass polished case, all this can take ... and U-clamp.BEZEL MATERIAL:Steel black bezel, steel bezel, chrome plated bezel, brass bezel, steelroll ring (or bayonet threaded ring), ... and U-clamp.BEZEL MATERIAL:Steel black bezel, steel bezel, chrome plated bezel, brass bezel, steelroll ring (or bayonet threaded ring), ...