DNA Motoring 6.75″ Wide Flat Running Boards Side Step Bars Compatible with 2007-2018 Chevy Silverado GMC Sierra 1500/2007-2019 Silverado Sierra 2500HD 3500HD 2-Dr Standard Cab,STEPB-A-0004. ANTI-SLIP DESIGN: ABS Plastic Covered Slip-Resistant Step Pads for Increased Traction; 350Lb Weight Capacity.