E-Autogrilles Billet Grille Insert Vertical Overlay Aluminum Polished 4mm for 11-12 Jeep Grand Cherokee (7PCS) (30-0115) 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 Bolt-on installation. All necessary hardwares and installation instructions are included