K&M 21376 Easy Lock Distance Rod for Speaker StandSteel tube combination for use in subwoofers with flange adapter. The height is fixed with a safety hook and secured by a clamping screw for a vibration free and firm fit. The slim design of the clamp allows space saving transport and ensures a stylish appearance. The usable height is between 1,005 and 1,505 mm and is adjusted in 5 steps of 100 mm. Integrated on both sides is a patented expanding mandrel with quick release fastener, which ensures a