Newport Brass Ceiling Mount Arm & Flange, 8"Solid Brass Construction1/2" IPS Nipple and Escutcheon for ceiling mount showersAvailable Variations: NB517-2 (2"), NB517-4 (4"),NB517-6 (6"), NB517-8 (8"),NB517-10 (10"), NB517-12 (12"), NB517-18 (18"), NB517-24 (24"), NB517-30 (30"), NB517-36 (36"), NB517-42 (42")