17/64" (6.80mm) Hole Size Stem Length: 9mm Flange Diameter: 20mm Black Nylon Bumper Push Type Retainers Compare With: Subaru # 90914-0051, 909140051, Auveco # 21422, Disco # 12090PK, 12090B, Lawson # P85438, Crest Midwest # CRX20932, Car-Pak # 99-8870, Wurth # 150121422, Kimball / Midwest # 13490