Office chair stainless steel removal tool kit fits for most office chairs (stools, executive chairs, office chairs, gaming chairs) with a cylinder within 1.1" (28mm) diameter.
Universal size fits all height adjusting cylinder chairs, office chair saver for stop sinking can control the height of the seat, prevent repeated sinking, the office chair replacement parts can hold weight up to 600 pounds. It takes few minutes only, please adjusting the height of the chair you need before install this chair adjustable saver.