TAC Custom Fit 07-18 Chevy Silverado/GMC Sierra 1500 (Incl. 2019 Silverado 1500 LD) / 07-19 Silverado/Sierra 2500/3500 Extended/Double Cab 4" PREMIUM OVAL BLACK Side Bar Step Nerf Bars Running Boards Attention: Please check with dealer to confirm the right model of your vehicle before ordering. Fit: 2007-2018 Chevy Silverado/GMC Sierra 1500 (Incl. 2019 Silverado 1500 LD) (Rocker Panel Mount) / 2007-2019 Chevy Silverado/GMC Sierra 2500/3500 Extended/Double Cab (Incl. Diesel models with DEF tanks) (Rocker Panel Mount) Black bars are made of heavy duty steel and Black Powder-Coated 100% brand new 2 bars for both driver & passenger sides. All mounting hardware and DIY instruction included. Covered by a limited Lifetime Warranty (stainless steel) or 3-year warranty (black powder-coated)