The Ultimate Support TS-100B air-powered speaker stand features a gas spring with a 50 lb preload. A simple turn of its telescoping knob will effortlessly raise any speaker weighing less than 50 lbs to its proper height, while speakers weighing more than 50 lbs require a fraction of the usual effort to get them in place. Capable of supporting speakers up to 160 lbs., it adjusts in height from 3’2″ to 6’2″ for flexible placement and quickly folds into a compact unit for easy portability. The TS-100B sports a classic black finish. Set up height 3’8″ – 6’7″ (1118 mm – 2007 mm) Weight 6.2 lbs. (2.8 kg) Base diameter 47″ (1194 mm) Telescoping tube diameter 1.5″ (38 mm) Adapter diameter 1.375″ (35 mm) Load capacity of 150 lbs. (68.2 kg) Folded 43.5″ x 5.5″ (1105 mm x 140 mm) Limited lifetime warranty