Metra 44-UL10 Universal Locking 1-Inch Top Mount Retractable Antenna with Key Universal Retractable Antenna designed specifically for Mazda RX7 vehicles Universal Locking Top Mount for 1-Inch 37-Inch 4-Section Retractable Mast 48-Inch Cable, Requires 9.5-Inch Under Fender Designed Specifically for Mazda RX-7 1978-1996