Discover a new level of comfort with the OFFICE OWL Office Chair Cylinder! Engineered with a premium Class 4 gas lift cylinder, it’s the highest quality in the industry, ensuring durability and preventing the common problem of chair sinking. Revitalize your existing office chair without the need for a costly replacement. Our universal gas lift comes complete with all necessary tools and straightforward instructions for an effortless installation. Dimensions: 1.97" diameter x 11.22" height; weight: 3.02 lbs; color: Black. Upgrade your workspace today!