🏆 【Highest Safety Class 4】The heavy-duty gas strut is manufactured to the industry standard (SGS/BIFMA/TÜV) and is explosion-proof, highest safety. The extremely robust chair gas cylinder, made of thick alloy steel, has a maximum capacity of up to 454 kg (1000 lbs).
🏆【Adjustable Height 4 inches】The compressed length is 9.88 inches (251mm), the fully expanded length is 13.6 inches (346mm), sinking length is 1/2” (15mm), Stroke Length is 3.7 inches, which allows your chairs to rise higher. (Note: Please measure the length of the outer cylinder before purchase).
🏆【Universal Fit Size for Most Chairs】The outer column cylinder diameter connected to the base is 2 inches (50mm), and the piston shaft diameter connected to the chair is 1-1/8" (28mm). This pneumatic piston cylinder will fit almost every office chair on the market including herman miller aeron. Please confirm these measurements before making a purchase. Not compatiable with 1KEA and some other brands.
🏆【Easy Installation】It needs tools to remove the old gas lift. No tools are required to insert the new one, and the whole process does not take much time - in just 5 minutes your problems are solved. Sinking chair is repaired.
🏆【Perfect After-sales Service】If you receive the product with using problems after using a few days, we sincerely ask that the first time to contact us, let us help you solve the problem, we will provide you a satisfactory solution, a real worry-free shopping.