This classic Deckorators® post cap will never go out of style. It’s durable plastic that looks like copper, so it won’t discolor. Choose a cedar or pressure-treated base (6 in. post cap is available with cedar base only).
4 in. x 4 in. post cap inside dimensions: 3-5/8 in. x 3-5/8 in. Fits 3-1/2 in. x 3-1/2 in. posts.
6 in. x 6 in. post cap inside dimensions: 5-5/8 in. x 5-5/8 in. Fits 5-1/2 in. x 5-1/2 in. posts.