USE THIS SNAP-IN INSERT TO HOLD THE JACKS IN YOUR GIGASTATION2 SURFACE-MOUNT HOUSINGS. - Works with GigaStation2 Surface-Mount Housings (WPT901–WPT903). - Because the insert can be pulled out of the surface-mount housing from the front with the jacks in place, you don't need to remove the entire housing to check or change connections. - Guaranteed for life!