Classic Forged Iron Collection - Metal Finials Steel adjustable rod, Outer rod measures 3/4" diameter, inner rod measures 5/8" diameter. Mounting hardware included. standard matching brackets that extend from 4" to 5.5" deep. Finial size: 5" L * 2.75" W Two brackets come with 28"-48" set. Three brackets come with both 48"-84" and 88"-120". Assembly required.