The indented C.B. On/Off and Volume Squelch Knob is a practical and functional product made of chrome aluminum. Designed without a colored diamond insert, this knob offers a sleek and minimalist look. Sold individually, it provides an easy and convenient solution for controlling the on/off and volume functions of your C.B. radio. Its durable construction ensures long-lasting performance, making it a reliable choice for enhancing your radio experience.