The Yamaha HS850 is a chain drive Hi-Hat stand with three double braced rotating legs and 11 step adjustable tension. Additional features include large rubber feet felt cymbal support with angle adjustment and 70-90cm height adjustment. Specifications Cymbal Support Material: Felt Leg Design: 3 Double Braced Legs (Pedal Side Legs Open 150°) Rotating Leg Design: Yes Big Rubber Feet: Yes Connecting Rod: Curved Rod Cymbal Angle Adjustment: Yes Height Adjustment: 70 -90cm Spring Tension Adjustment: Yes