Tyger Auto 3.5inch Oval Stainless Steel Bull Bar Fits 2011-2017 Chevy Silverado/GMC Sierra 2500HD/3500 The kit includes bull bar with skid plate and all mounting hardware. Made of heavy-duty 3.5inch oval polished Marine-Grade T304 stainless steel tubing. Rust Free! Welds are ground smooth for a clean finished look. Easy No-Drilling installation. Mounting Hardware & DIY installation instruction included. Two Pre-drilled holes for optional off road lights. TYGER Limited Lifetime warranty!