The HY-GAIN VIII Rotary Switch Riser is a metal accessory designed specifically for base station CB radios. It is a product from the reputable brand HY-GAIN, known for producing high-quality radio communication equipment. The VIII model offers a reliable and durable solution for expanding the functionality of a base station radio, providing users with enhanced control and versatility in their communication setup. Ideal for those looking to enhance their CB radio system with a trusted and reliable accessory.