Panel and Enclosure Bushings: Type - Hole Bushing, Standard; Mtg Hole Dia.- in - 0.866 in; Mtg Hole Dia.- mm - 22.0 mm; Bushing Inside Dia.- in - 0.260"; Bushing Inside Dia.- mm - 6.60 mm; Max. Panel Thickness - 0.138" (3.5 mm); Height - overall thickness - 0.450" (11.5 mm); Head Diameter - 0.976" (24.8 mm); Installation - Push-In One-Piece; Material - Nylon; Color-Finish - Black; Material Specification - Nylon Type 6/6 UL Rated 94V-2