15/64" (6mm) Hole Size Stem Length: 33mm Head Diameter: 18mm Black Nylon Wheel Well Shield Retainers Compare with: Auveco #20624, Ford # W709002, # W709002SAA , W709002-SAA, GM # 11588950, Crest / Midwest # CRX18770, Disco # 10568PK, 10568B, Kent / Lawson # KT13458, Wurth # 150157084, Kimball / Midwest # 13630