With the one-handed EZ Grip, adjusting height while holding your instrument in hand is a breeze. BS118BB also provides sturdy support in a lightweight structure. Features: Reinforced Desk Lip Fractioning EZ Angle Roller EZ Grip for one-handed height adjustment (53-123cm) 3-section design folds down more compactly Carrying bag included. Height: 550-1230mm (21.7-48.4") Weight:1.7kg (3.7lbs) Load capacity: 3kg (6.6lbs) Folded size: 520x110mm (20.5x4.3")