The K&M 21338 Head/Sub Link Tube is the ideal accessory for connecting satellite systems at your event. Made from solid steel, this tube offers exceptional strength and durability for long-term use. Thanks to its crank handle, the tube height can be easily adjusted to suit your specific needs. For added peace of mind, this tube is equipped with extra safety features, including a push-button and locking screw to prevent uncontrolled reverse movement. By choosing the K&M 21338 Head/Sub Link Tube, you are choosing quality, reliability, and safety for your event. Don't compromise on the performance of your equipment—opt for the best with this high-quality link tube.