About this item

• ¡Ú Correct Size & Universal Fit ? Outer cylinder diameter 2" (50mm), inner piston diameter 1" (28mm), minimum length 11.5" (293mm), maximum length 17.5" (445mm) with a 6" (152mm) adjustable stroke. Fits 98% of office and gaming chairs, including Herman Miller, Steelcase, Secretlab and more.
• ¡Ú Heavy Duty Class 4 Hydraulic Lift ? Built with reinforced steel for maximum durability. Supports up to 1000 lbs, ensuring stable, safe, and long?lasting performance without sinking.
• ¡Ú Easy Installation Kit Included ? Comes with removal tool, protective gloves, and step?by?step instructions. Even first?time users can swap the old cylinder and install the new one without special equipment.
• ¡Ú Fix Your Sinking Chair in Minutes ? Replace your broken or leaking office chair gas cylinder and restore full height adjustability. Stop struggling with chairs that keep sliding down.
• ¡Ú Save Money & Guaranteed Support ? Extend the life of your chair at a fraction of the cost of buying new. Backed by lifetime warranty and responsive customer service ? if your cylinder leaks or sinks, we¡¯ll replace it for free.