Fits Toyota Sienta 170 Series NSP17#G/NCP175G/NHP170G models from July 2015 to present. This shark fin antenna size: 17cm * 7.5cm * 6cm, suitable for most cars on the market. Suitable only for flat roofs, not for curved roofs. (Please check the size of your car's antenna base before ordering to ensure proper installation and use after purchase.)