Distance rod with hand crank and »Ring Lock«. Loudspeakers can be attached tightly and safely with the patented Ring Lock system. A comfortable hand crank allows you to adjust the height of even the heaviest of speakers both easily and safely. An M20 threaded bolt and the patented expanding mandrel guarantee a professional and exceptionally safe system. Special features: patented expanding mandrel system »Ring Lock«, vibration-free connection due to moveable plastic splints, push-button system and hand crank avoid uncontrolled reverse motion, locking screw provides additional safety, M20 bolt for precise and vertical fit. Material: steel. Height: from 920 to 1,520 mm, Tube end(s): »Ring Lock« diameter 35 to 37 mm, threaded bolt M20. Weight: 3,86 kg. Colour: Black.