Panel and Enclosure Hole Plugs: Type - Hole Plug; Mtg Hole Dia.- in - 0.750 in; Mtg Hole Dia.- mm - 19.1 mm; Max. Panel Thickness - 0.093" (2.3 mm); Plug Height - Length - 0.296" (7.5 mm); Plug Head Dia. - 0.921" (23.4 mm); Installation - Push-In; Material - Steel