E-Autogrilles Aluminum Polished 4mm Vertical Overlay Bumper Billet Grille for 07-10 Ford Expedition (1PC) (38-0146) Has been tested to have a perfect fit with the OEM grille, followed by extensive polishing. 6062 Aircraft-grade Aluminum alloy. 4mm bar width. Never Rust! Mirror Finish Polish. Persist in looking amazing for years. Vertical bar style. Overlay Installation. All necessary hardware and instruction are included. Enables Easy and Quick Installation