This XHD Short Base Front Bumper End Wings from the house of Rugged Ridge comes with standard ends that seamlessly mount on to any Short Base thanks to six large 12 mm bolts to convert short bumpers into full size bumpers. They manufactured recessed standard ends to produce a nearly seamless fit with the short bases. Designed to be used with the 11540.10 OR 11540.11 XHD front bumper base.