Urbanest Adjustable Blue Planet Ball Finial Curtain Drapery Rod Set, 3/4-inch Glossy White Rod (28"-48") Bring a designer's touch to your window treatments with the planet ball finial Rod Set. Steel adjustable rod, Outer rod measures 3/4" diameter, inner rod measures 5/8" diameter. Finial size: 2 1/4" diameter, 2 1/2" length. Mounting hardware included: standard matching brackets that extend from 4" to 5.5" deep.Two brackets come with 28"-48" set, three brackets come with both 48"-84" and 84"-120".