Use to add aftermarket speakers to factory front door location. Converts the factory 6x9 to round speaker hole to fit many component type speakers that usually have better sound quality. Made specifically for most 6", 6.5", and 6.75" speakers. Speeds up installation time. Made from high grade plastic for a long lasting secure fit and corrosion resistance. Only for front door speakers. Slight modification of the speaker adapter is required for some speakers- that's normal and that's why these fit so many different sizes. Includes 1 pair for 2 doors- 2 plates and 2 speaker harnesses. Compatible with: Made for Ford: 2015-2022 F-150 and 2017 2018 2019 2020 2021 F-250/F-350/F-450