Shop for Lumber & Composites at The Home Depot. This double V-groove deck post adds classic charm to your outdoor living space. Add one of our distinctive, decorative finials (not included) to the top of your post for an added personal touch and stylish appearance. Pressure treatment protects it from termites, fungal decay and rot, making it an ideal choice for a variety of outdoor applications. Ideas include decks, play sets, stair support, landscape design and other outdoor projects where deck posts will be exposed to the elements. This deck post is compatible with aluminum and carbon steel (black iron) fasteners.