N-FAB F99100CC-SS Polished Stainless Steel Nerf Steps; Wheel 2 Wheel Ford F250 / F350 Super Duty Crew Cab 8' Bed (Fits Single Rear wheel & Dually 99-10) 99-16 Trend-setting hoop step design provides ease of access for all passengers 304 marine grade Stainless Steel in high polish finish Fully welded assembly with integrated mounting brackets, for maximum strength and ease of installation 3" main tube diameter Rated to support up to an industry leading 465 lb.