5/16" (8mm) Hole Size Flange Diameter: 18mm Stem Length: 23mm Black Nylon Fascia Push-Type Retainers Compare with: Auveco #19422, Chry. # 6504521, Car Pak # 98-7811, 987811, W&E # 2931, Barnes / Kar # KP426, Crest / Midwest # CRX12324, Disco # 2133PK, 2133B, Kent / Lawson # KT11708, Winzer # 503.34005, Wurth # 150155494, S&R # 416057, Kimball / Midwest # 12132