15/64" (6mm) Hole Size 17mm Stem Length 6mm x 15mm Head Size Black Nylon Clear Grommet Weatherstrip Retainers Compare With: Audi A3 & Volkswagen # 1H0-837-719, 1H0837719, Auveco # 21497, Disco # 12614PK, 12614B, Lawson # 1118456, Crest Midwest # CRX29638