Naiture 12" Brass Square Ceiling Mount Shower Arm with Flange In Brushed Nickel Finish Made of solid brass which will never get rust, this piece is a durable addition to your bathroom. Finish: Brushed Nickel Length: 12 Inch The Square Brass Ceiling Mount Shower Arm includes a matching flange and will fit all standard shower heads. 1/2" IPS connections are female to source and male to shower head.