Meprotal Office Chair Gas Lift Cylinder Replacement, Heavy Duty Hydraulic Pneumatic Shock Piston for Office Chair, Universal Size - 4.7" Stroke

• 【4.7" Piston Stroke for Adjusting Chair Height】Minimum length: 30cm/11.8 inch. Maximum length when fully extended: 43.5cm/17.1 inch. 【Durable】This gas lift cylinder is made of thicker alloy steel, that can support maximum weight up to 450 lbs. The length of the chair cylinder when fully extended is suitable for 99% of your office chairs, with reliable performance. 【Three-Size】The gas lift cylinder is available in three sizes, which means it can be adjusted in height, allowing you to lift higher and use your office chair in more situations. 【Easy to Install】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. 【Applications】Ideal to replace gas lift cylinder on 99% standard office chairs, task chairs, executive chairs, salon chairs and rolling stools on the market.