RAFTUDRIVE 3 in Round Carbon Steel Running Boards Fit 2004-2008 Ford F150 Supercrew Cab (with 2 Full Size Front Doors and 2 Full Size Rear Doors) Only fit 2004-2008 Ford F150 Supercrew Cab With 4 full Size Doors Only (Not Fit Heritage or Other Cabs) 3" Inch round Style Tube + Slip-Resistant Plastic Step Pads Made from heavy duty Carbon Steel Direct Bolt-On Black Powder Coated