S 203Telescopic, double ended variable lengthextension tube for connection of satellite systems. All-steel construction with locking pin to prevent accident descent and vibration.S/203 allows for the most ideal separation of subwoofer and speaker.Height range: 73 to 112 cm (28.7" to 44")Center tube diameter: 35 mm (1.375")Weight: 2.5 kg (5.5 lb)