5/16" (8mm) Hole Size Flange Diameter: 18.5mm Stem Length: 20mm Black Nylon Rear Bumper Push Type Retainers Compare with: Chrysler # 5160260AA, Auveco # 20966, Car Pak # 99-8658, 998658, Barnes / Kar # 99-8658, Kent / Lawson # KT14355, Winzer # 502.8339, Barnes / Kar # CP998251, CP99-8251, Disco # 10511PK, 10511B, Crest / Midwest # CRX18064, Kent / Lawson # KT12795, Winzer # 502.834, Kimball / Midwest # 13570