PartsTrend 4" Black Side Step Nerf Bars Running Boards Compatible with 05-17 Nissan Frontier Crew Cab 100% brand new 2 bars for both driver & passenger sides, all mounting hardware and installation instruction included Polished to a matte finish and will never rust.???? UV resistant non-slip wide step pads, which are made of heavy duty Black Powder-Coated 4 inch round tubing rust resistant! Feature no-drill installation for ease of installation and truly custom fit. Quality,360 Days Safe Warranty.