JBL SPKSTGAPRO - Deluxe Gas Assist Speaker StandThe SPKSTGAPRO is the easiest speaker stand to use thanks to the internal pneumatic shock that literally raises the speaker for you. The stand's internal shock easily raises speakers weighing 40 lbs and less with no effort from the user. Features: JBL Piston Assist Automatic Lift Tripod Speaker Stand Automatically Lifts Up to 40lbs Unassisted Cam Lock Secures Speaker Height and Allows for Quick, Easy Adjustments Third Leg Adjustable for Leveling on