YITAMOTOR Running Boards fit for 15-25 Ford F150 SuperCrew Cab/ 17-24 Ford F250-F350 Super Duty Crew Cab. They are made of anti-corrosion aluminum and can provide a secure, slip-proof, and comfortable step for the whole family. Free 3-5 day delivery.load bearing:450 LBS , color:Gloss black, placement:Left, placement:Right, installation:Bolt-on, surface finish:Powder-coated, material:Aluminum, item weight:‎37.5 pounds, warranty:1 Year