4×4 Post Cap (3.5′) │ Gray Slim Profile Pyramid Square Top for Outdoor Fences, Mailboxes & Decks, by Atlanta Post Caps

Your 4×4 nominal post cap is designed perfectly fit nominal/standard sized lumber posts measuring 3.5” x 3.5” up to 3.75" x 3.75" inches (always check your lumber dimensions before purchasing), and comes with one easy-install base & one New England pyramid style snap-on cap

• Made from high impact, remarkably sturdy ASA resin. The same material used in automobiles.
• 10 year warranty against fading, discoloration and warping.
• Atlanta Post Caps are made from remarkably sturdy ASA resin, a durable, waterproof, and impact-resistant composite material often used in automobile production and will outlast any wood product on the market.