23/64" (9mm) Hole Size Stem Length: 12mm Flange Diameter: 18mm Black Nylon Fender & Bumper Push-Type Retainers Compare with: Auveco #20247, Mitsubishi # MR200300s, Car Pak # 99-8316, W&E # 3109, Barnes / Kar # KP151952, Crest / Midwest # CRX18376, Disco # 9943PK, 9943B, Kent / Lawson # P86117, Winzer # 502.5133, Wurth # 150155669, Kimball / Midwest # 13342, 13640