This heavy-duty 3-shaft 2-clutch stand allows for maximum height adjustments up to 10 feet and will support up to 140 lbs. The reversible top shaft design on this steel-aluminum stand may be used with either 1 3/8" or 1 1/2" lighting bars and allows you to use this stand as both a lighting stand or a speaker stand. The double brace leg supports, extra long legs and locking pin make this stand extremely sturdy and safe.