6-1.00mm Screw Size 17mm Flange O.D. Black Finish Push-On Type Retainer Compare with: Auveco #14980, G.M. # 11501937, Ford # N801192S36, Chry # 6501792, #6501178, Car Pak # 88-6430, 886430, 77-4486, 774486,W&E #5921, Barnes / Kar # KP72536, Kent / Lawson # P42999, Wurth # 150159449, Disco # 1621PK, 1621B, S&R # 255066