Tough and sturdy, Gearlux brand accessories are built to last Lightweight relative to most music stands and easily transportable due to vented tray Height-adjustable (from 28 to 48 inches) for standing or sitting positions Twist knob on vertical post specially engineered for maximum weight handling capability Tray tilts 180 degrees for maximum flexibility; tall, wide, and deep enough to hold a three-ring binder; magnetic for easily securing loose-leaf sheet music