CREATIVE SURFACES vinyl railing posts are designed to provide stable support for your outdoor railing system with lasting durability and a clean, low-maintenance finish. Compatible with 42 in. vinyl railing sections, each post includes an iron post for added strength and structural support. Built to withstand harsh weather conditions, they provide dependable performance in residential applications. Available in White, Black, and Brown, these posts are backed by a limited lifetime warranty and are sold separately to pair seamlessly with compatible vinyl railing kits. This item includes: Post, flat cap, iron insert, trim ring Post dimensions: 3.7 ft x 4 in x 4 in To complete railing section: Purchase CREATIVE SURFACES Horizontal Railing Kit (NB144) and Stair Railing Kit (NB145) Weather performance: Withstands harsh conditions and resists fading, rot, and splintering Material: UV-stabilized vinyl with iron-reinforced beams Please always refer to local building codes for compliance.