Brackets hold up to 14″ planter. Hardware included. 15″ models include 2 rotating hooks that can be used for hanging signs. No. 274 522: White, 6″ No. 274 571: White, 9″ No. 274 639: White, 15″ No. 274 514: Black, 6″ No. 274 563: Black, 9″ No. 274 621: Bl