Shower arm extends 6". Includes flange. 1/2" (12.7 mm) IPS male threads. 2-1/2" outside diameter. 6-inch shower arm and flange included. Durable brass construction. Backed by Delta Faucet's 10-Year Limited Warranty | Delta® Universal Showering Shower Arm & Flange 6" (Recertified), Gold & Bronze, U4993-CZ