Made of robust stainless steel for durability, rust resistance, and stability. Includes a thick bottom cover plate to prevent wood decay. Comes with a variety of accessories for easy installation on different surfaces. | Vevor | | 8"x 8" Post Base, 4Pcs Stainless Steel Adjustable Post Anchor Bracket(Internal 7.8 x 7.3"), Adjustable Post Base | Silver | Best Buy