Office Chair Cylinder Replacement with Removal Tool (As Seen on PBS) – Heavy Duty Pneumatic Gas Lift Piston for Desk Chairs and Gaming Chairs – Universal Fit. EASY REMOVAL & INSTALLATION – The only chair cylinder replacement on Amazon to offer a cylinder removal tool. No more struggling and spending hours trying to remove your chairs old broken cylinder with tools you don’t have. We will also make sure to help guide you through the entire process from start to finish. You have nothing to lose! INDUSTRY STANDARD SIZE – This pneumatic piston cylinder will fit almost every office chair on the market including herman miller aeron. The cylinder has a 1-1/8″ (28mm) diameter piston shaft and a 2″ (50mm) diameter column. EXTRA HEAVY DUTY – Our desk chair cylinders are all Class 4, which are known as the most durable, longest lasting, & highest quality hydraulic gas lift cylinders. Cheaper options can start sinking within the first few months of use. Our’s don’t. They can even support up to 1000 lbs without fail. Fix Your Sinking Office Chair. The Original Cylinder Replacement Kit. Small business from Columbus Ohio. Of the chair cylinder replacement kit with removal tool. This replacement kit comes with everything you need to fix your sinking office chair. This replacement chair cylinder will fit almost every office chair on the market including the popular aeron chair. If it doesn’t fit your specific chair, no problem, we’ll take care of you. Piston Diameter: 1-1/8″ (28mm) Column Diameter: 2″ (50mm). Fix Your Sinking Chair in Minutes. Easy Removal & Installation. We made the cylinder replacement process easier than ever. Just a few easy steps and you’ll have your favorite chair feeling brand new. Check Out Our Other Products. 4.6 out of 5 stars. 4.8 out of 5 stars. Fix Sinking Office Chair. Safe for All Floors. Raises Monitor to Eye Level. Small Business Shares Their Story. Featured on PBS Show Start Up. The co-founders of The Office Oasis, Meredith and Kevin, were featured on the PBS show Start Up. They shared their story on how they started a growing e-commerce business with just one simple idea. Frame Material Alloy Steel. Maximum Weight Recommendation 1000 Pounds. Gloves, Installation Instructions, Chair Cylinder, Cylinder Removal Tool. Item Weight 2.5 Pounds. Recommended Uses For Product. 2″D x 2″W x 15.13H. 4.75 (120mm) Stroke. Product Dimensions: 2.0 “h x 2.0 “h x 15.13 h. Weight: 2.5 lb. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. Your satisfaction is guaranteed! All of our items, unless otherwise stated, will only run on 120 volts. Please check to make sure your country complies with these specifications. We will work with you to resolve any problem you may have.