HEADMALL 4.7 inches Office Chair Cylinder Replacement Gas Lift Piston Replacement Parts for Heavy Duty Big and Tall Gaming Chair 500lbs Class 4 Black - Y40-4.7INCHES

• 【REAL CLASS 4 GAS LIFT】The office chair gas lift is a stroke of 4.7 inch office chair replacement cylinder. The gas lift cylinder tube wall thickness is 2.5mm, is a true standard class 4 gas lift, it is capable of carrying 450LBS weight for long-term use. 【SPEND LESS & GET MORE】Replacing our new office chair cylinder instead of buying a new office chair, you can save money and contribute to the environmental protection as well. 【UNIVERSAL STANDARD SIZE】Our office chair gas lift cylinder replacement fits most of big and tall office chair,gaming chair,executive chair and bar stool in the market. The office chair piston offers an adjustable height of 4.7 inches.The office chair gas lift has a maximum length of 15.6 inches and a minimum length of 10.9 inches after compression 【MAXIMUM CAPACITY 1000 LBS】 Our heavy duty office chair cylinders are all Class 4, which is known as the most durable, longest lasting and highest quality chair piston. The thickness of small tube is 2.5mm and big tube is 1.5mm for weighting up to 450 lbs 【1 YEAR WARRANTY】Our goal is to provide you with the highest quality fittings to extend the life of your chair. If it is found that our office chair hydraulic cylinder replacement fails leaks, or starts sinking, please email or send message to us. We guarantee you free return and exchange service