Decorative Arm  7 is Constructed of Cast Aluminum and Extruded Aluminum Fitter. Mount over Round Poles or Tenons of 3”, 3-1/2″, 4”, 4-1/2″, or 5″ OD, DA7 and is secured with 3/8” Stainless Steel Set Screws. Contact us for custom configuration or others mounting. All Decorative Arms are Proudly Designed, Fabricated and Assembled in the USA.