The Quik-N-EZ AutoLock System offers one touch height adjustment securing stand when raised and releases easily and quickly.Beveled edge design on the Lower Shaft reinforces load bearing components for stability and strength.Height: 1170 mm – 2100 mm (46.1″ – 82.7″)Weight: 2.9 kg (6.4 lbs.)Base Radius: 660 mm (26″)