10 Pack 4x4 Post Caps, Black Galvanized Steel Flat Post Caps for 3.5"x3.5" Wood Posts, Weatherproof Caps Cover with Screws for Outdoor Fence Deck, Porch, Corridors Mailbox

Our 4x4 Galvanized Steel Flat Post Caps are designed to protect, decorate, and extend the life of your outdoor wooden posts. Featuring a precise fit, heavy-duty rust-proof material, and easy screw-fixed installation, these post caps are the perfect upgrade for fences, decks, porches, mailboxes, and garden posts.Perfect Fit for 4x4 Nominal Wood PostsThese post caps are specially designed for nominal 4x4 wood posts. Inner size: 3.66"x3.66", fits actual 3.5"x3.5" standard wood posts perfectly. Snug fit, wobble-free, and no slipping or sliding after installation.Heavy-Duty Galvanized Steel ConstructionMade of high-quality galvanized steel with a durable black powder coated finish. Rust-proof, corrosion-resistant, and weatherproof for long-term outdoor use. Stronger than plastic or aluminum, no cracking, fading, or deforming over time.Ultimate Protection for Wood PostsOur flat post caps fully cover and protect your wood posts from outdoor damage. Blocks rain, moisture, UV sunlight, and animal damage effectively. Prevents rot, splitting, cracking, and weathering to extend the service life of your posts.Easy Screw-Fixed InstallationPre-drilled holes and matching mounting screws are included for fast installation. No adhesive, no glue, no complicated tools needed – fully DIY friendly. Secure screw fixation ensures the caps stay firmly in place for years.Minimalist Flat Top & Matte Black DesignClassic flat top design with a stylish matte black finish. Clean, modern, and versatile to match any outdoor decor style. Ideal for adding a polished, finished look to fences, decks, pergolas, and mailboxes.Wide Application for Outdoor SpacesThese 4x4 post caps work perfectly for all outdoor wooden structures. Suitable for fence posts, deck posts, porch posts, mailbox posts, garden posts, and railing posts. One style meets all your outdoor project needs.Customer FAQQ: Will these caps fit my actual 3.5"x3.5" wood posts? A: Yes! The inner size is 3.66"x3.66", designed for nominal 4x4 (actual 3.5"x3.5") wood posts with a snug, wobble-free fit.Q: Is this cap weatherproof and rust-proof? A: Absolutely. Made of galvanized steel with powder coating, it is rust-proof, UV-resistant, and built for all outdoor weather conditions.Q: Do I need glue or adhesive for installation? A: No. Our post caps use pre-drilled holes and included screws for secure installation – no glue, no mess, no hassle.Q: Is this a flat top or pyramid style? A: This is a flat top design, perfect for modern, flat-style outdoor fences and decks.Q: How does this cap protect my wood posts? A: It blocks moisture, rain, and UV rays to prevent rot, splitting, and cracking, greatly extending the life of your wood posts.

• Package Content: The package includes 10 elegant black fence post caps, and 20 matching screws. These wood posts caps provide sufficient quantity to meet the needs of multiple railing posts, and add a neat, beautiful look to your overall railing structure, bringing both practicality and decorative effect.
• Protective Function: The black metal post cap effectively protect railing posts from outdoor harsh conditions such as rain, snow and UV light, preventing rotting, splitting and cracking. The 4x4 post cap cover form a solid protective layer on the post top to extend the posts’ service life and maintain structural integrity.
• Durable Material: Our flat post caps act as a solid protective shield, sealing the exposed top of your wood posts to block rain, snow, and harmful UV rays. This prevents moisture seepage, wood rot, splitting, and cracking, effectively extending the lifespan of your outdoor wooden structures while preserving their structural integrity.
• Easy Installation: Each deck post cap features pre-drilled side holes and comes with matching screws for a secure, tool-friendly installation. Simply place the cap on your post, align the holes, and tighten the screws—no glue, no messy adhesives, no extra tools required. The screw-fixed design ensures the caps stay firmly in place, even in windy conditions.
• Versatile Outdoor Decor:With a clean, minimalist flat top design and matte black finish, these 4x4 post caps add a polished, modern touch to any outdoor space. They complement both classic and contemporary styles, elevating the look of your fence, deck, pergola, or mailbox while providing reliable protection—just a sleek, finished appearance.