6x6 Mailbox Post Aluminum Trimmer Guard: USA made, Rust-free solution to protect posts Protects your mailbox post from rust and rot; covers old damage and prevents future damage Easy installation step-by-step instructions included Adjusts to fit varying post sizes (actual 6x6 post measurements vary slightly) Pre-drilled holes and durable .050 aluminum construction Made in the U.S.A. with mill finish