5/16" (8mm) Hole Size Stem Length: 15mm Flange Diameter: 20mm Hex Phillips Drive Splash Shield Screw Type Retainers Compare with: Auveco #17350, Honda # 91516-SK7-013, 91516SK7013, Car Pak # 91-6994, 916994, Barnes / Kar # 4347, Crest / Midwest # CRX4124, Disco # 1972PK, 1972B, Kent / Lawson # P53976, Wurth # 150155665, Kimball / Midwest # 13977