Hole Size: 15/32" (12mm) Stem Length: 10mm Top Head Size: 10.50 x 9.50mm White Nylon With Sealer Moulding Retainers Compare with: Kia # 87758-3E000, 87759-3E000, 87719-02500, Auveco # 22014, Disco # 12602PK, Disco # 12602B