The Todco 2" SupeRoller for Panel-Door Tracks is a corrosion-resistant nylon and nylon-membrane composite roller is designed to provide a longer-life and noise-reduction performance. The sealed internal bearing ensures smooth operation. This roller is perfect for applications that requires a reliable and durable roller. With its superior construction and corrosion-resistant materials, it is the perfect choice for any panel-door track. FleetPride is your First Click in Heavy Duty®.