Visee Fit 1999-2018 Chevy Silverado/GMC Sierra 1500/2500/3500/1500 HD/2500 HD/3500 HD Extended Cab 3" S/S Side Step Nerf Bar Fitment: 1999-2018 Chevy Silverado/GMC Sierra 1500/2500/3500/1500 HD/2500 HD/3500 HD Extended Cab Which Has Half Size Suicide Style Rear Doors Only Item-offered 2pcs 3" Round Stainless Steel Side Step Nerf Bars + Brackets + Necessary Mounting Hardware + Installation Instruction Made from heavy duty T304 stainless steel that maximizes rust and corrosion protection. Position Come with both sides: 1pc for driver side and 1pc for passenger side;The weight capacity of our nerf bars is about 400 pounds each side With 2 Full Size Front Doors + 2 harf Size Rear Doors Only