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 | | 6"x 6" Post Base, 1Pcs Stainless Steel Adjustable Post Anchor Bracket(Internal 5.9 x 5.5"), Adjustable Post Base | Silver | Best Buy