TAC 2007-2016 CHEVY SILVERADO/GMC SIERRA 1500 DOUBLE CAB / 2007-2010 2500HD, 3500 Extended CAB 4" OVAL SIDEBARS BLACK (Rocker Panel Mount) Step Nerf Bars Running Boards Attention:Please check with dealer to confirm the right model of your vehicle before ordering. Custom mounting brackets provide easy, no-drill installation (most vehicles). mounting hardware included.Stainless Steel made from high-quality T304 steel.Available in a variety of stylish finishes. 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)