STEELCRAFT 202127 1999-2017 CHEVY SILVERADO / GMC SIERRA LD/HD EXTENDED & DOUBLE CAB (Incl. Models w/DEF Tank) (Body Mnt) 3" SIDEBARS Stainless Steel Side Step Nerf Bar Running Board Fast and easy, no drill installation Custom polyethylene step pads for lasting protection against wear and tear Custom carbon steel mounting brackets High quality 304 polished stainless construction