Hole Size: 21/64" (8.50mm) Stem Length: 17mm Flange Diameter: 30.50mm Black Nylon Rocker Panel Moulding Phillips Screw Retainers Compare with: Mercedes # 001-990-01-92, Auveco # 22339, Clip Lizard # 10866, Disco # 9581PK, Disco # 9581B