Adopting of steel electroplate material, which lets you use it for a very long time? This Chair Cylinder Replacement is heavy duty and designed with rotatable design, practical and durable. Easy and convenient to install and use, which is a very useful gas lift cylinder for your office chair. Features - Color: Black -Material:Steel electroplate - Size: 31.20X4.40X4.40cm/12.26X1.73X1.73in -Fine material: Manufactured with sturdy material, which can let you use for a very long time -Creative design: Rotating design and smooth surface, and this Office Chair Cylinder is easy to install and use -Heavy duty: Thick steel electroplate material and fine workmanship, and this Chair Gas Cylinder is heavy duty -Wide applications: This gas lift is suitable for most executive office chairs, task chair, office chair, rolling stool, drafting stool -Easy to install: You just need to use a hammer to take out the old gas lift cylinder and replace it with a new one Package list: 1 x pneumatic rod