K&M 21367, Distance Rod with M20 thread, The height is adjusted by an easy-to-use spring-loaded bolt and locking screw., The unique patented expanding mandrel system provides a stable, tight and firm fit for satellite speakers., The movable plastic splints provide for a vibration-free connection between the rod and the speaker., Easy to use ring lock, Weight: 2.5kg, Height adjustable: 900-1380 mm