Replacement 1/4-20 OR 10-24 OR M6 Female Bronco threaded antenna adapter for our SmartLock™ antennas specifically for Ford & RAM trucks. These adapters thread onto your truck and allow you to install our SmartLock™ antennas. NOTE: THESE ARE EXTRA, SPARE PARTS. These come with SmartLock™ antenna orders. These are only if an existing customer for whatever reason needs a new one.