Introducing our premium office chair gas lift cylinder, boasting a 5.5 in. adjustable height range for ultimate seating flexibility. With universal compatibility, it fits seamlessly into various office chairs, supporting up to 1000 lbs. with ease. Enjoy silent 360° rotation and smooth adjustments, ensuring a peaceful and comfortable work experience. Crafted from high-quality thickened steel and certified by SGS and BIFMA, this cylinder guarantees safety, durability, and explosion-proof performance. Backed by a 180-day worry-free warranty, we stand by our product's quality, offering replacements without hassle, ensuring your satisfaction and chair's longevity.