Woodway Products 870.1868 4-by-4-Inch Cedar Contemporary Finial Post Cab Pre-fitted with a 5/16-Inch by 4-Inch galvanized lag screw for easy application, this classic finial is turned with precision on a high-speed shaper It can be used alone or mounted upon another post cap such as our flat top varieties to create a spectacular multi-layered post cap Western red cedar Built to last. Add the finishing touch of class to your fence, lamp post, mailbox post and deck railings.