The 7" Balustrade Bottom Rail includes contoured details and a traditional design. It is identical to the top rail for a balanced and consistent appearance. The 7" bottom rail becomes a versatile addition to the 7" system. It is finely crafted, durable in form and designed to define the exterior space through classic styling and safety. The 7" Balustrade System Bottom Rail is 10' in length and precision molded in high-density polyurethane. Our polyurethane rails are moisture resistant, so they will not decay, they resist staining and they do not attract insects. The 7" rail is also reinforced at the core with heavy-duty vinyl. It installs easily for excellent results.