Truck Cab Side Step, Bedstep Flp Dwn Bmpr Stp 11-14 Silv/Sra 2500/3500, BedStep - Retractable Rear Bumper Access Step fits 11-14 Chevrolet Silverado/GMC Sierra 2500/3500 , AMP Research - BEDSTEP, Bedstep , Frame mounted tailgate access step, Engineered to support loads up to 300 lbs, High-strength aluminum alloy components, Precision stainless-steel pivot pins for rock-solid stability, Maintenance-free, self lubricating bushings for all-weather performance, 3-year/36,000 mile warranty, 3-year/36,000 mile warranty, Go ahead and step on it. Bedstep is a real time saver. Not to mention knee and back saver. Strong and rugged, this non-slip, retractable bumper step quickly flips down with the nudge of a foot providing a faster, easier and safer way to load or unload your pickups cargo. Supports up to 300 lbs. Frame mounts under the rear bumper so it works even with an open tailgate or when towing., 2011-2014 Chevrolet Silverado 2500 HD, 2011-2014 Chevrolet Silverado 3500 HD, 2011-2014 GMC Sierra 2500 HD, 2013-2014 GMC Sierra 3500 HD, 2011-2012 GMC Sierra 3500 HD SLE, 2011-2012 GMC Sierra 3500 HD SLT, 2011-2012 GMC Sierra 3500 HD WT