Product overview Practical square post bases and mailbox post covers designed for square posts on fences, handrails, decks, and pavilions. Heavy duty metal construction resists cracking and deformation while providing a clean finished look at the post base. Key benefits Durable metal construction: hardness and heavy duty design resists cracking and bending for long service life. Versatile fit: made for square posts and suitable for fence posts, handrail posts, deck posts, mailbox posts, and pavilion posts. Clean, safe edges: smooth edges with no burrs reduce the risk of cuts during handling and installation. Protective and aesthetic: covers and brackets conceal worn or rough post ends and provide a neat transition between post and mounting surface. Reliable mounting option: functions as a post base, post protector, or mailbox bracket to meet different installation needs. Main features Function: serves as a post base, post protector, railing post cover, deck post bracket, and mailbox bracket. Compatibility: intended for square posts used in fencing, railing, decking, and mailbox installations. Material and performance: heavy duty metal with hardness that maintains shape under load and resists everyday wear. Installation: designed for straightforward attachment to posts and surrounding structures; smooth edges simplify handling. Use scenarios Fence upgrade: install as a square post base on a yard fence to hide a worn post end and create a secure mounting point for the rail. Mailbox support: fit as a mailbox post cover and bracket to reinforce the post base and improve appearance where mailboxes meet the ground or mounting plate. Deck and pavilion railings: use as a deck post bracket or railing post cover to provide a neat interface between the post and deck surface while reducing direct exposure at the base. What to expect A heavy duty metal post base and protector that fits square posts, improves the look of post installations, and offers a durable mounting option across fencing, railing, decking, and mailbox applications. Smooth, burr edges simplify handling and installation.