*.Simply slide into the required position to allow easy removal of your radio. *.These keys are designed to remove and swap over the original unit from your car or when removing it for a repair. *.Radio, CD, Mp3's Removal Keys. These will release your factory fitted Radio. *.In this kit, you will receive: 2 pair 4 keys in total *.Please check beforehand if they are compatible with your head unit before you purchase.