Add integrated tie down area to your cargo box while enhancing the look. Added cargo box protection. Inside and outside anti-corrosion coating with durable powder coat finish. Heavy-duty 1” (2.5 cm) diameter steel-tube construction. Add height to the bed sidewall and serve as a tie-down anchor for ropes, straps or bungees. Not compatible with Bed Wall Extender. Sold in pairs. Defender, Defender MAX