Ironman 4×4 Premium Side Steps are made from 60.3mm diameter high quality steel tube, powder coated for longevity and chassis mounted for strength. Designed to protect your vehicle from damage off road and providing a convenient step into lifted four wheel drives. Features Include: Airbag compatible to suit 5 star rated vehicles 60.3mm Diameter tube Steel construction Strong steel checker plate tread Added sill protection Black powder coated Steel Steps & Rails