Post Base Bracket Material and durability: constructed from 304 stainless steel for rust resistance and longterm performance in hot sun and rain. The robust design provides reliable support for posts in outdoor applications. Installation features: four holes and four bottom holes enable secure attachment to wood or concrete floors. Includes expansion bolts and selftapping screws for a sturdy fit. Compatibility and performance: designed for both wooden and concrete floors, ensuring stable, nonrotating post support. Not recommended for nonsupported installations such as fences or unbraced carports. Applications and scenarios: Decks: securely mount railing or post assemblies to wooden deck surfaces. Pergolas: anchor pergola posts into concrete pads or slabs for stable framing. Other supported structures: suitable for gazebos, arches, and similar supported outdoor installations requiring reliable post bases. Package includes: 1 post base and installation kit. If you have any issues with your , please contact us and we will respond within 24 hours. Support and reliability: built to maintain strength and stability over time in outdoor settings, combining compatibility with wood and concrete installations with durable stainless steel construction.