1.5” (3.8 cm) diameter steel-tube construction. Provides light-duty protection. Inside and outside anti-corrosion coating with durable powder coat finish. Light-kit compatible. Standard on XT and XT Cab models 2018 and 2019. Not compatible with Xtreme Front Bumper Plates, Front Corner Protectors and Front LinQ Rack. Defender, Defender MAX 2019 & prior