1 Pair Screw-On to Bolt-On 1-3/8” Horn Adapter for 1″ Compression Driver
You can easily drill holes to accommodate 2 and 3 bolt Tweeter Drivers. Make sure to use washers or (headed compression limiters) to maintain the integrity of the ABS material. Adapter to use Screw-On Drivers on Bolt-On Horns (1-3/8" 18 TPI).