Get your semi truck ready for the long haul with improved suspension support, with the OTR 1" x 1-7/16" x 7/8" Flanged Lock Nut with Expertise Built In™. By creating a tight fit around a suspension bolt, this replacement nut is able to lock the components together tightly to reduce overall wear and tear. Built with top-tier materials to provide an extended service life. FleetPride is your First Click in Heavy Duty®.