Not as rock solid as others have aforementioned, though pretty darn solid. At a wider setting, you'll be able to shake the highest area by a few 0.5 in.. as luck would have it it's the front-to-back that usually matters after you are taking part in laborious thereon, and therein direction it's so pretty solid. For rock solid within the sideways direction, you'd would like 2 crossbars, not one. Adjustable height: twenty three.2-35.4"/59-90cm; Adjustable width; twenty four.6-40.9"/ sixty two.5-104cm. the flexibleness allows kids and adults to search out the perfect keyboard height, whether or not they are standing or sitting as they play. The keyboard stand is intended to be totally adjustable permitting you to properly align your piano, DJ mixers, turntables, synths, midi keyboards and different musical instruments and equipment. This stand is superior to something in its worth vary. A fifteen pound cat will launch horizontally from atop your keyboard and not cause the stand to topple. simple to assemble.