6.5" Running Boards for 2007-2018 Chevy Silverado/GMC Sierra 1500 & 2007-2019 2500HD / 3500HD Crew Cab, Aluminum Alloy Side Steps Nerf Bars(NOT for Diesel Engine) Description\r \r \r \r OEDRO running boards have a hexagonal tube profile that fits snugly againcolor:Black, material:Aluminum, stainless steel plate surface, exterior craft:Aluminum alloy, exterior craft:Stainless steel, item dimensions:85.25 x 7.87 x 9.44inches, item weight:45.19 pounds, weight limited:500 pounds