Upgrading to a new Peerless shower arm is a great weekend DIY project.  No special tools required.  Allows for 18-in of up/down movement to accommodate bathers of varying heights.  Standard 1/2-in pipe fitting makes for easy installation.  Fits any standard shower head. You can install with confidence knowing that Peerless backs this item with a lifetime limited warranty.
Installs in minutes
Chrome finish complements any décor style
Fits standard 1/2-in IPS connection
Shower head sold separately
Sold individually

Assembled Depth (in inches): 2.94 inches
Assembled Width (in inches): 0.372 inches
Assembled Height (in inches): 11.188 inches
Assembled Weight (in lbs): 0.37 pounds