Procomm PCNMO38 NMO to 3/8" Female AdapterThe Procomm PCNMO38 Adapter converts a 3 4" NMO base mount to a female 3 8" thread, allowing compatibility with a wider range of antennas. Made from high quality materials, it ensures durability and a secure connection for reliable performance. The compact design makes installation quick and easy, providing a seamless transition between mounts. Ideal for CB and ham radio users, this adapter enhances versatility by enabling the use of different antenna