Simple ball design of 1.5 inch diameter fits rods from 0.5 up to 1.125 inch (1/2" - 5/8" - 3/4" - 7/8" - 1" - 1-1/8"). Compatible with all rods with threaded end of 1/4". Minimalist design to match your bay window drapery rods and can be adjusted from 90 to 180 degrees. Available in most finishes, satin nickel, satin black, gloss white, chrome, brushed nickel, antique brass, matte ivory, warm gold (brass look), oil rubbed bronze, pewter, matte antique black.