The ROBYN SX-007 Set of Knobs is designed specifically for the ROBYN mobile CB radio, offering 23 channels for clear and reliable communication on the go. This set includes the necessary components to enhance your in-vehicle radio experience, allowing you to easily tune in to your favorite stations and make important calls while on the road. With the ROBYN brand known for quality and performance, this set of knobs is a great addition to any mobile CB radio setup.