Upgrade any DW 9000X Cymbal, Tom, or Combo Stand with AirLift™ capability with a drop-in, air-assist cylinder. These hydraulic-powered cylinders give you instant assistance to raise or lower a heavy cymbal, snare, and tom setup with the flip of a lever. Note: Only fits 9000X hardware models DWCP9700X, DWCP9701X, DWCP9710X, DWCP9791X, DWCP9991X, and DWCP9992X., Fits 9000X cymbal, tom, and combo stands, For tuned load assistance, Designed to support heavy cymbal setups, ,