Lund 318026 Tube Step Running Board Brackets for 1997-2009 Ford Expedition; 1998-2002 Navigator; 2007-2010 Expedition XL; 2001-2004 Ford F-150 SuperCrew; 1998-2004 F-250 SuperCab 12-gauge steel construction provides solid and reliable support for your Lund Multi-Fit Tube Steps (sold separately) Bracket Kits are application specific, but work on any Lund Multi-Fit Tube Steps (sold separately) Durable black powder coat finish to resist corrosion Hardware included Backed by a limited lifetime warranty