AMP Research 75315-01A BedStep Retractable Bumper Step for 2015-2019 Silverado & Sierra 2500/3500 Non-slip, retractable bumper step quickly flips down or retracts with the nudge of your foot providing a faster, easier and safer way to load or unload your pickup's cargo High-strength aluminum alloy components; Engineered to support loads up to 300 pounds Precision stainless-steel pivot pins for rock-solid stability Maintenance-free, self lubricating bushings for all-weather performance Made in the USA and backed by a 3-year limited warranty