5 grey wheels * 1 pair * Universal Walker Wheels with 2-Sided positioning holes fit most leading manufacturers walkers including Invacare© Guardian Sunrise© and Rubbermaid© * Converts folding walker into wheeled walker * Allows for 8 height adjustments * Rubber wheel allows walker to glide easily and smoothly over irregular surfaces * Rear glide caps (included) provide easy mobility over most surfaces * Weight capacity: 350 Lbs *