KES Bathroom 8-Inch Rainfall Shower Head with 15-Inch ROUND Shower Arm, Brushed Nickel, PSA2-2+J201-2 Brushed nickel finish 8-Inch (20 CM outer diameter) Large panel built by engineering grade plastic (ABS) Metal swivel ball allows you to adjust the angle of the showerhead The back cover is made of stainless steel, brushed finish Shower arm: 15" long, 22mm O.D.