E-Autogrilles Aluminum Polished 4mm Horizontal Overlay Upper and Bumper Billet Grille Combo for 11-16 Ford Super Duty F-250/F-350 (38-5108) Grille insert only as picture shows. Not complete grille, so shell is not included. 6061 aircraft-grade aluminum. 4mm bar width. Each grille guarantees a polished chrome color front surface. Multiple-step polishing process offers a mirror-like finish. It prevents the off-road elements like road debris such as papers, plastic, broken glasses, stones, etc. From getting into the engine compartment. All necessary hardware included. Provide installation instructions. Overlay installation.