The flat post top features a classic design and a durable molded urethane construction. This balustrade accessory offers the versatility of customization and the high performance characteristics of this modern polymer. The post top details the balustrade newel and performs exceptionally well in exterior applications, as it is able to resist the excessive levels of moisture absorption that can lead to peeling, cracking and decay. It is also primed when crafted. The flat post top is designed for use with the 12" balustrade system, our most prominent and bold system. When dramatic exterior spaces require dramatic balustrades, the 12" system offers the defining system and drama that you seek.