Ultimate Support TS-99B TeleLock® Series Lift-assist Aluminum Speaker Stand with Integrated Speaker Adapter - Extra Height The TeleLock® Series speaker stands from Ultimate Support are extraordinarily strong yet lightweight due to its over-sized heavy wall aluminum tubing. They re everything you d expect from an Ultimate Support speaker stand - they re strong sturdy lightweight 100% field serviceable and easy to set up and take down. However the TeleLock® collar gives the user the ability to safely raise or lower the stand WHILE a speaker is on it thanks to the Auto-lock technology that securely grips the telescoping tube in place as you set its height. Item Features : Patented TeleLock® Collar Extra Height Patented Tripod Design Over-sized Heavy Wall Aluminum Tubing 100% Field Serviceable Parts Height: 5 2 - 9 2 (1575 mm - 2794 mm) Weight: 9.8 lbs. (4.5 kg) Base Diameter: 62 (1575 mm) Telescoping Tube Diameter: 1.5 (38 mm) Adapter Diameter: 1.375 (35 mm) Load Capacity: 150 lbs. (68.2 kg) Folded: 57.5 x 5.5 (1461 mm x 140 mm) 1 year manufactures warranty ⚠️Warning: For cancer and Reproductive Harm go to www.P65Warnings.ca.gov.