Panel and Enclosure Hole Plugs: Type - Hole Plug, Strain Relief; Mtg Hole Dia.- in - 0.875 in; Mtg Hole Dia.- mm - 22.2 mm; Max. Panel Thickness - 0.125" (3.2 mm); Plug Height - Length - 0.453" (11.5 mm); Plug Head Dia. - 1.016" (25.8 mm); Installation - Push-In; Material - Nylon; Color-Finish - Black; Temperature Rating - 105 deg C (221 deg F) Max.; Material Specification - Nylon Type 6/6 UL Rated 94V-2; Listing Description - DD 875-770; Manufacturer Series - Heyco Strain Relief Plug