Mifeier 3" Black Side Step Rails Nerf Bar Running Boards Fit 04-08 Ford F150 06-08 Mark LT Super Crew Cab (4 Full Size Doors) Fitment: 2006-2008 Lincoln Mark LT Supercrew/Crew Cab With 4 Full Size Doors Only, 2004-2008 Ford F150 Supercrew/Crew Cab With 4 Full Size Doors Only (Not Fit Heritage or Other Cabs) Item-offered: 2pcs 3" Round Carbon Steel Side Step Nerf Bars + Brackets + Necessary Mounting Hardware + Installation Instruction Installation-type Direct Bolt-On,Professional installation is always recommended. Surface-finish: Black Powder Coated Material: Made from heavy duty Carbon Steel