Sturdy metal frame Made from solid metal with a protective black coat finish, these post anchor bases are engineered to resist wear and tear from the elements and remain functional over time. Versatile use cases suited for mailboxes, deck railings, and wooden fences. These bases provide the flexibility to accommodate various outdoor needs while enhancing your property's appearance. Convenient installation With predrilled holes in each square post flange base, mounting on concrete surfaces or deck posts is quick and hassle, guaranteeing a reliable hold for your structures. Practical use scenarios Mailbox post installation on a concrete driveway or entry surface to prevent leaning and ensure stable, longlasting support. Deck railing post anchoring to secure railing sections and maintain safe, sturdy handrails. Wooden fence post stabilization along the property line to improve durability against wind and ground movement.