Heavy-duty construction: The S216 3/8' 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 3/8' 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. new and high quality Thread: S216 3/8' -24 Scoket: SO239 For any 1/2inch hole Colour:silver+transparent white Material:Metal Package Contents: 1 x 3/8-24 to SO239 Heavy Duty Stud Antenna Mount Adaptor 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.