Heavy-duty construction: The S216 3 or 8-24 to SO239 antenna adapter is built with high-quality materials to ensure durability and long-lasting performance. Versatile compatibility: This adapter is designed to fit a wide range of antennas and radios with 3 or 8-24 threads and SO239 connectors, making it a versatile accessory for any radio enthusiast. Easy installation: The adapter features a simple screw-on design that makes it easy to install and remove from your antenna or radio. Improved signal quality: By connecting your antenna to your radio with this adapter, you can improve the quality of your signal and enhance your overall radio performance. Compact and portable: The S216 adapter is compact and lightweight, making it easy to carry with you wherever you go. It's the perfect accessory for mobile radio setups and outdoor adventures. Thread: S216 3 or 8-24 Scoket: SO239 Colour:Silver Material:Metal Package Contents: 2 x Antenna Mount Adapter(Connector only, no antenna function) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.