A replacement gas cylinder fixes sinking office chairs and restores height adjustment, extending your chair’s life without needing a full replacement. Designed for Amia: Engineered specifically for the Steelcase Amia Chair. Heavy-Duty Construction: Crafted from high-quality steel with precision engineering for enhanced durability and long-term reliability. Adjustable Height Range: Offers a smooth height adjustment of 5 inches, allowing for personalized seating comfort. Smooth Performance: Gas lift provides quiet and consistent up-and-down movement for improved ergonomics. Easy Installation: Comes with detailed instructions for quick and hassle-free installation. We recommend a large pipe wrench for installation. Warranty: Backed by a 2-year warranty for added peace of mind.