Features: Experience unparalleled support with our high strength gas spring, designed to provide stable backing for your office chair with impressive load capacity of 250N/300N. Crafted from premium steel, this gas lift is both durable and rusts resistant, with smooth Elevations and a Quiet operation that enhances user comfort. Ideal for professional who spend long hours at their desks, this product caters to those prioritizing comfort and health in their work environment. Perfectly suited for use in offices and home study areas, our gas spring ensures your seating arrangement offers best support throughout the day. upgrades your office chair with this essential furniture accessory, ensuring a simple blend of functionality and ergonomic designs. Specifications: Material: metal Size: about 25x2.5CM/10x1inch Styles: 250N/300N(optional) Package Includes: 1xOffice Chair Piston note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.