Features & Specifications: Aerodyne Tilter: A gearless, dual-axis rotating positioning system that easily places cymbals securely at any angle and keeps them locked where you need them to be. Acculite Sustain Feet (Patent Pend): Standard on all Atlas Classic stands, Acculite Sustain Feet are designed to increase placement versatility compared to other flat based stands. Their dual-slot design allows for unrestricted, overlapping positioning using alternating heights on companion stands.