Hole Size: 23/64" (9mm) Flange Diameter: 17mm Stem Length: 13mm Black Nylon Cowl Panel Push Type Retainers Compare with: Honda # 91508-S50-003, Disco # 13383PK, 13383B, Auveco # 19547, Car-Pak # 99-8045, 998045, Crest / Midwest # CRX14378, Kent / Lawson # P13801, Winzer # 500.7880