Ergonomic ⭐ :This saddle stool chair design for extra comfort on your back and spine,this design reduces painful pressure on your back. | Comfortable ⭐ : The seat cushion of this rolling saddle stool is a little thicker than the conventional one, which makes it more comfortable to sit on. | Rotation ⭐ :The cushions and wheels are free to rotate, you can use this saddle swivel stool to roll freely in the room.Suitable for kitchen, living room,office, clinic, salon,etc. | Sturdy ⭐ :Comparing the easily damaged plastic base, the steel base makes the stool stronger and more load-bearing.Weight capacity: 400 lbs. | Adjustable height ⭐ : This stool chair has a larger range of adjustable height,from 21 to 28 inches, about 4 inches taller than regular stools.

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: 400 lbs) | Adjustable height: The height of the gas lift cylinder fully compressed is: 14 ", and the height fully expanded is: 22". This means that it has an 8-inch adjustable height that allows you to rise higher and use your office chair in more scenarios. | Universal size: This 8" 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 ) | 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.