The Superior Post & Bracket is the perfect compliment to your Capitol Mailbox. 15993 Finish: White Features: -French bronze, white, or black.-Die cast aluminum.-Rust free.-Independently tested for function and durability.-Cap finial. Color/Finish: -Weather resistant powder coat finish. Dimensions: -Post dimensions: 55.5” H x 4” W x 4” D.-Bracket dimensions: 16” H x 2-10” D.