3 Wheels * 1 Pair * Can Be Locked For Fixed Wheel Or Unlocked For A Swivel Wheel * Allows For 8 Height Adjustments. * Rubber Wheels Allow Walker To Roll Easily And Smoothly Over Irregular Surfaces * Rear Glide Caps (included) Provide Easy Mobility Over Most Surfaces * Weight Capacity: 350 Lbs * Hcpcs Suggested Code:a9900 Or E0155