5/16" (8mm) Hole Size Stem Length: 18mm Flange Size: 20mm Black Nylon Interior Fender Phillips Screw Type Retainers Compare with: Auveco #16858, Nissan # 63844-01A00, 6384401A00, Ford# NA01-56145, NA0156145, Ford# MNA01-56145, MNA0156145, Car Pak # 83-5742, 835742, W&E # 2361, Crest / Midwest # CRX473, Disco # 5901PK, 5901B,Kent / Lawson # P28286, Winzer # 500.788101, Wurth # 150159598, S&R # 415750, Kimball / Midwest # 10725