The N-FAB Nerf Bars have a patented N-FAB hoop step design featuring a 2″ and/or 3″ Main tube diameter. The 2 tube applications include an .095 wall steel tubing, while 3 tube applications include an .084 wall steel tubing. The patented drop-down step design and location is engineered to allow for ease of access to stock or lifted vehicles. This application fits high & tight to the vehicle body for a clean, modern style and protection from road debris. The N-FAB Cab Length Nerf Bars feature a fully welded 1-piece construction for strength, long lasting durability & ease of installation. Kit Includes:- One (1) pair of nerf bars- Necessary hardware Main bar fits high & tight to the vehicle body Patented drop down step design and location are engineered to allow easy access 3″ diameter .084 heavy wall steel main bar allows for a strong and stable mounting Steel construction Textured black powder coat finish 5 year warranty on finish/limited lifetime warranty on workmanship Fits:Ford Bronco 4 Door (2021+)