AMP Research Bedstep Flip Down Bumper Bed Step Model 75309-01AAMP Research Bedstep Flp Dwn Bmpr Stp 14 21 Tundra, Non resin inner structure bumpers only Model 75309 01A 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