one-hand music stand DF151, it's a new style music stand with one-hand system,is easy to raise and lower the height of the stan one-hand music stand DF151,it's with one-hand system,is easy to raise and lower the height of the stand,it is very appliedAdjust height:910 -1300 mmPlate size: 345*475 mmMaster carton: 370*675*910 (4pcs in) New one-hand music stand