Protect your mailbox posts from weed trimmer damage with Fence Armor. The 3˝ tall Full & Mailbox Post Protector comes in a variety of sizes. It’s sold in pairs and comes with 4 matching screws for a clean, finished look. Our galvanized steel, powder coated post protectors are designed to fit over any 4˝x4˝ or 6˝x6˝ wooden mailbox posts. They’re easy to install and backed by a lifetime warranty. The Fence Armor Post Protector is the perfect way to keep your mailbox posts weed trimmer-free for years.