This photo depicts the 2-bottle deep Ultra pegs with rubber O-rings. The rubber O-rings prevent the bottles from slipping out. These pegs were attached to alumasteel backer panels. See what other people say about us: https://www.google.com/search?q=Wine+Cellar+Specialists&ludocid=17480672740598023400#lrd=0x0:0xf297d33db23304e8,1 Wine Cellar Specialists +1 (866 ) 646-7089 info@winecellarspec.com Connect with us on Facebook: https://www.facebook.com/WineCellarSpecialists