1/4" (6.40mm) Hole Size Stem Length: 11mm Flange Diameter: 16mm Black Nylon Phillips Screw Type Retainers Compare With: Mercedes # 123-990-05-92, 1239900592, # 126-990-03-92, 1269900392, Auveco # 21044, Disco # 12889PK, 12889B, Car-Pak # 99-8520, Clip Lizard # 10859, Crest Midwest # CRX19362, Lawson # KT13712, Wurth # 150121044, Kimball / Midwest # 131040