Office Chair Gas Cylinder Dental Class 4 Chair Gas Lift Universal Size Fits Most Chairs Accessories Extendable 7.2in Heavy Duty Class Lift Hydraulic/Pneumatic Piston（Black）

["1. Made of high-quality stainless steel material and certified by SGS testing, it can support up to 500 pounds of weight, ensuring your user experience.","2. The air rod adopts internationally recognized standards, with universal thickness and no need to measure diameter, suitable for most swivel chairs and executive seats.","3. Adopting multi-layer control valves and integrated control rod design, you can experience seamless height changes and quick and easy tilt changes.","4. Thicken the inner tube wall and strengthen the stainless steel lifting rod. Accurate piston stroke adjustment, no noise, allowing you to experience quietness and smoothness during use.","5. One time molded snap spring design, bidding farewell to complex settings. Easy installation of this office chair hydraulic cylinder replacement part without the need for additional tools."]