Spyder Auto SSB-CS-A09S0102-BK 4" Black Powder Coated Oval Side Step Bar for Chevy Silverado Crew Cab Spyder Auto makes their product with high quality material and constructed this side step bars withT-304 marine grade stainless steel Includes all brackets, mounting tap, screws, bolt, skid plate, and installation guide; no drilling is involved Spyder Auto stands by their entire line of product and insures them with a competitive warranty (restrictions apply)