Hercules Music Stand EZ Glide Portable DescriptionReinforced Desk LipFrictioning EZ Angle RollerEZ Glide automatically locks the stand in place. Just "glide" it to the height you want and it stays.Durable rectangular tubing leg constructionDesk: 535 mm x 293 mm (21" x 11.5")Height: 690 mm -1240 mm (..