About this item

• EASY INSTALLATION: It comes with gloves and chair cylinder. Usually you may need to use a rubber mallet to take out the old gas lift cylinder from chair base and can be installed easily without additional screws required.Spending 5 minutes will bring a new life to your old office chair. We suggest you watch videos on Youtube before you start the installation (search "office chair gas lift cylinder replacement" )
• HASSLE-FREE WARRANTY: All our office chair replacement parts are 100% inspection before shipping. Your satisfaction is always our top priority. If for some reason the cylinder fails, leaks, or starts sinking, contact our professional after-service team via email, our direct after-sale team will reach out to you and timely solve your problems
• HEAVY DUTY CLASS 4 PISTON - ANTI-EXPLOSION CYLINDER: Our office chair piston passed the top-level test of BIFMA certification by lifting up and down 120,000 times without fail, they built with high-quality solid steel that can support maximum weight up to 1000 lbs. The safety decompression structure design will be more secure than other gas lift cylinder you ever use
• UNIVERSAL SIZE THAT FITS MOST CHAIRS: This chair cylinder replacement will fit all office chair bases with 50mm(2 inches) standard centre hole. Ideal to replace gas lift cylinder on 99% standard office chairs, task chairs, executive chairs, salon chairs and rolling stools on the market. SAVE MONEY - to fix your sinking office chair by replacing the cylinder instead of spending hundred bucks for a brand new computer chair. ( Please measure dimensions before purchasing )
• 5.5” PISTON STROKE FOR HEIGHT ADJUSTMENT: This chair piston has a range from 285mm to 425mm (11.22 - 16.7"). The shortest length is 11.22 inches, while the longest fully extended length reaches 16.7 inches, allowing movement between the highest and lowest settings. Upgrade your office chair's gas cylinder and enjoy peace without causing disruptions. Features a full 360-degree rotation, enabling effortless lifting and turning of your office chair both smoothly and quietly.