EAG 05-07 Silverado 1500/2500/3500 HD Billet Grille Black Combo 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! Black powder coated. Persist in looking amazing for years. Horizontal bar style. Overlay Installation. All necessary hardware and instruction are included. Enables Easy and Quick Installation