K&M 21364 Ring Lock - steel connecting rod for satellite systems. One end fitted with a unique patented expanding mandrel system for a tight and firm fit for the speaker. Moveable plastic splints separate the speaker from the stand creating a vibration-free connection. Easy-to-use ring lock. The other end of the rod features a threaded M20 bolt for connector plate 24116. Height: 880mm. Weight: 1.2kg.