The product is a complete set of knobs for the Galaxy DX 959B mobile CB radio. This set includes all the necessary components for in-vehicle radio communication, specifically designed for the Galaxy brand. The knobs are compatible with the Galaxy DX 959B model and are covered by a 1-year manufacturer warranty, ensuring quality and reliability for the user. The set includes 40 channels for CB band communication, providing clear and consistent transmission for various communication needs on the road.