6.5″ Long Stroke Adjustable Gas Lift Cylinder for Office Chair Stool Replacement, Tall Hydraulic Pneumatic Cylinder Shock Piston Universal Size Heavy Duty

About this item Heavy-duty: This gas lift cylinder is made of thicker alloy steel, engraved with the mark of SGS inspection, the quality is reliable. (Weight capacity: 450 lbs) Universal size: 6.5″ Long Stroke gas lift suitable for most executive office chairs, task chair, office chair, rolling stool, drafting stool.( Please measure dimensions before you purchase it ) Adjustable height: The height of the gas lift cylinder fully compressed is: 11.5 “, and the height fully expanded is: 18”. This means that it has an 6.5-inch adjustable height that allows you to rise higher and use your office chair in more scenarios. Easy to install: Usually you may need to use a hammer to take out the old gas lift cylinder and replace it with a new one. (We suggest you search for “gas lift replacement” on youtube for instructions) 5 Year Replaceable: If our lift cylinder fails, leaks or begins to sink, please email us and we will send you a brand new cylinder.