The Drive Medical Bariatric Walker Wheels with Rear Glides comes with 5" caster wheels and two sets of rear glides. The rubber wheels allow most walkers to roll easily and smoothly over irregular surfaces, and the rear glide caps with covers allow for use on all surface. Allows for 8 height adjustments|Converts heavy-duty walker into wheeled walker|Dual rubber wheels allow walker to roll easily and smoothly over irregular surfaces|Comes with rear glide caps and glide covers allowing use on all surfaces|500 lb Weight Limit