EAG 07-14 GMC Yukon XL Billet Grille Aluminum Polished 4mm Vertical Overlay 1PC High Quality Customer Designed and Produced Using CAD Designed and CNC Machined Mold Made of 6061 Aircraft-Grade Aluminum Alloy 4mm Bar. Mirror Finish Polish. Overlay installation. Easy and Quick Installation. All Necessary Hardware and Instruction are included.