Nerf Step Bar - Wheel-to-Wheel (2 Steps per Side) - 3 in. Main Tube Diameter - 2000-2006 Chevy Suburban/GMC Yukon XL - Textured Black Fautures Main Bar Is Built High And Tight To Hide Frame Provides Better Visual Aesthetics Provides Added Protection From Road Debris Welded Step Pads Will Not Crack ...