The foot rest ring is 17.7 inch (450 mm) in diameter. Center hole inside diameter 2.1”(53 mm). Please measure the chair lift cylinder size before purchase, it fits 2 inch diameter chair cylinder
Height-adjustable foot ring that is easy to find a comfortable position
Rest Ring diameter 450mm is larger than the diameter of the stool will be more comfortable
Rest Ring diameter 400mm is larger than the diameter of the stool will be more comfortable
If there is any problem, we will solve it for you in time
