31/64" (12mm) Hole Size 14mm Stem Length 14mm Top Head Diameter Black Nylon Moulding Retainer With Sealer Compare With: Mazda # NE51-51-SJ3A, NE5151SJ3A, Auveco # 21678, Disco # 12475PK, 12475B, Kent / Lawson # 1404755, Kimball / Midwest # 131033