Hercules Quik-N-EZ music stand are designed to eliminate the problems associated with ordinary stands. Tired of twisting screws when mounting on a desk of adjusting its angle? Have trouble with height adjustment? Cant get the right stand angle? Hercules Quik-N-EZ music stands offer innovative solutions to these problems, providing you with stands that are incredibly versatile and easy to use. Features: Frictioning EZ Angle Roller EZ Retainer for quick mounting Page Retainer EZ Height Adjustment Grip