1/4" (6.40mm) Hole Size Stem Length: 14mm Head Size: 6.50mm x 16.50mm Black Nylon Cowl Vent & Rear Hood Seal Retainers Compare With: Honda # 91502-S84-A11, 91502S84A11, Auveco # 19683, Disco # 12454PK, 12454B, Crest Midwest # CRX15414, Car-Pak # 99-8053, Winzer # 501.1910