5/16” (8mm) Hole Size Flange Diameter: 16.5mm Stem Length: 27mm Black Nylon Bumper & Rear Wheel Apron Push Type Retainers Compare with: Auveco #20542, G.M. # 15994165, Chry # 04596357AA, Car Pak # 99-8363, 998363, W&E # 3133, Barnes / Kar # CP99-8363, CP998363, Clip Lizard # 102-112, Crest / Midwest # CRX18498, Disco # 10669PK, 10669B, Kent / Lawson # KT13255