Keeping you Ready for the Road Ahead , the Minimizer PM2218B Poly Super Single Fender is a reliable, lightweight fender that extends the payload and fuel efficiency of your semi truck’s tractor and trailer. This Minimizer super single axle fender is made of proprietary thermoformed material. When crushed or dented, the fender bends back into shape due to its exceptional durability. In addition, the design of this Minimizer super single axle fender guards you and others on the road, with optimal spray control that keeps debris from the tire and wheels. Keep your heavy duty rig clean and damage-free with this Minimizer fender. FleetPride is your First Click in Heavy Duty .