Bestop 75412-15 Side-Mounted Trekstep for 2007-2018 Tundra Crew Max; fits passenger side only, 5.5' bed Convenient access to toolboxes and gear from side of truck bed Bolts to frame on passenger side with hardware included for no-drill install Extends or retracts with just push of your foot more tools Rugged aluminum alloy linkages and high-strength steel mounts 400-pound capacity