Topline Autopart 4" Oval Black Side Step Nerf Bars Rail Running Boards For 05-16 Frontier King Ext Cab Application: For 2005-2017 Nissan Frontier King ( Extended ) Cab Models ; 2009-2012 Suzuki Equator Extended Cab Models ( Attention Note: Will Fit Models With 2 Full Size Front Doors & Half Size Backward Doors ; Will Not Fit Crew Cab Models With 4 Full Size Doors That Open In The Same Fashion ) 4" Side Step Nerf Bars Oval Style Design Tube, Rugged Frame & Mount Design Tube For Strength & Durability Heavy Duty Steel With Black Color Powder Coating, Steel Tubes Maximizes Rust Protection Color: Black