[2-Layer Storage]: 22 15/16'x20 15/16' large upper platform with side mounting holes for crossbars(Not included) to place mixers; 20 14/16' x 19 11/16' bottom rackmount with vertical side holes for [Easy Mobility]:Equipped with 4 rolling casters for moving around to different positions as needed effortlessly; 2 of them feature a lockable option for firmly holding the stand in place for safe [45° Adjustable Platform]: The angle of the upper platform can be adjusted by side knobs to an entirely flat or slanted surface for easier visibility and access as needed [Sturdy Construction]: Features overall metal construction for durable use and long lifespan, as well as providing a strong support for your expensive equipment with max load capacity of 220.46Lbs for [Wide Application]: Applied as a universal electronic device rack stand for using with any sound equipment and perfectly used for clubs, public amenities, outdoor shows, studio, stage, etc.; Overall