Stagg MUS-A25BK 3-Section Music Stand - Black Height range: 50 to 112 cm (19.6 to 44") Tube diameter: 8.5 mm (solid), 11 mm, 14 mm (0.33", 0.43", 0.55") Leg tube diameter: 3.9 mm (0.15") Music rest dimensions: 50 x 28 cm (19.6 x 11") Base: Solid tripod