Daystar, Black D-Ring Isolator and Washers, protect your bumper and reduce rattling, KU70057BK, Made in America Go to amazon.com Related posts Best shackle isolator orange FeaturePrevents rattlesFits standard 3/4 inch d-rings or shacklesLimited lifetime warranty DescriptionDaystar D-Ring Isolator. Includes washers. Daystar gives limited lifetime warranty. Fits standard 3/4 inch d-rings or shackles.