All Brass 3/8"x24 SO-239 Antenna Stud Mount w Dual Hex Nut - Bulk This high-quality stud mount is perfect for any radio communication enthusiast. Made by Workman, it is designed to hold 3/8"x24 SO-239 antenna connectors with ease. The dual hex nut provides extra support and stability, ensuring that your antenna remains securely in place. Whether you're a professional or an amateur, this stud mount is a must-have accessory for your radio communication setup. It is compatible with a variety of devices and is easy to install, making it a great choice for anyone who wants to enhance their radio communication experience.