The Woodway acorn finial post top is a decorative and traditional acorn finial turned from top grade cedar. Install directly on any solid post top, proportionally ideal for nominal 4″ posts. May be mounted on flat top post caps to create an impressive multi-layered post accent. It’s pre-fitted with a 1/4” by 2 1/2” galvanized lag screw for easy application. Overall Width = 3 1/16″, Height = 5 1/8″ (lag bolt withstanding).