The black KyM 18822 Third-Tier Stacker for Omega Stands lets you add a third keyboard tier to the 18811 Second-Tier Stacker on an Omega Series keyboard stand (stacker and stand available separately). Spring-loaded clamping knobs allow you to adjust the height, while the incline angle offers five settings ranging from 0 to 20º. Three depth positions are available, supporting keyboards up to 11' deep. The unit is made of steel and features rubberized stops on the front to keep your keyboard from slipping.