3/8" (9.5mm) Hole Size Stem Length: 18mm Flange Diameter: 17mm Black Nylon Front Bumper Fascia Push Type Retainers Compare with: Auveco #16624, G.M. # 1636632, 20687704, Car Pak # 87-6302, 876302, Barnes / Kar # CP87-6302, CP876302, Crest / Midwest # CRX5094, Disco # 9935PK, 9935B, Kent / Lawson # KT11584, Winzer # 502.3239, Wurth # 150155456, S&R # 416166, Kimball / Midwest # 10115