DeckForce exterior composite coated screws for PVC and composite decks are the premium choice for fast installation and seamless finish. The undercut head prevents surface bulging of decking material around the installed head and allows for a clean and seamless finis. DeckForce exterior composite screws are specifically engineered for PVC and composite deck materials. Innovative PrimeGuard Nano coating for maximum weather protection. Undercut head engineered to keep deck surfaces smooth and clean.