YITAMOTOR Running Boards Fit for 2019-2025 Chevy Silverado/GMC Sierra 1500 Crew Cab & 2020-2025 Silverado/Sierra 2500HD 3500HD Crew Cab Side Steps | Nerf Bars | Running Boards are made of anti-corrosion aluminum with UV resistant non-slip step pads. They load bearing:450 LBS , color:Black, placement:Left, placement:Right, installation:Bolt-on, surface finish:Powder-coated, material:Aluminum, material:Abs plastic, warranty:1 Year