5/16" (8mm) Hole Size Stem Length: 10mm Flange Diameter: 11mm Black Nylon Front Bumper Cover Push Type Retainers Compare with: Auveco #19186, Honda # 90657-SB0-003, 90657SB0003, Car Pak # 99-8044, 998044, Crest / Midwest # CRX12728, Clip Lizard # 10431, Disco # 10980PK, 10980B, W&E # 3019, Kent / Lawson # KT12788, Winzer # 501.1918