Smittybilt Nerf Steps Are Truly The Next Generation In Side Step Technology. They Feature A 2" Main Tube With An Innovative Four-Step Drop Down Design With A Cleated Step Plate. Each Bar Is Custom-Made For Each Application And Provides One Of The Sturdiest Attachments In The Industry. The New Stainless Steel Bars Are Constructed Completely Of 304 Marine Grade Stainless Steel And Comes With A Limited Lifetime Warranty. The Drop Steps Are Welded On And Then Ground Down And Smoothed Out To Provide A Truly Finished Look.