1/4" (6mm) Hole Size Stem Length: 6mm Head Size: 10mm x 14mm Blue Nylon Vent Cowl Retainers Compare with: Honda # 90602-TA0-003, 90602TA0003, Auveco # 21417, Disco 12006PK, 12006B, Car-Pak # 99-8856, 998856, Crest / Midwest # CRX20747, Kent / Lawson # P85410, Wurth # 150121417, S&R # 41620