Product Details: Ensure your truck is prepared for the long road with improved alignment, with the OTR 4" Flanged Inner Alignment Washer with Expertise Built In™. Thanks to its solid steel design, this replacement washer is the ideal option to help align a fastener, while distributing its weight over a greater surface area. Built with balanced design to help prevent damage to the surface of a material being fastened. FleetPride is your First Click in Heavy Duty®.