Provide a full 360 degree turning radius, swivel wheels make it easy to maneuver in confined areas . Swivel wheels attach to the front of walkers only and are recommended for use with Lumex glide brakes . 3" wheels are ideal for navigating over flat surfaces, especially indoors . The large 5" wheels are ideal for navigating difficult terrain such as pavement, grass or carpet . Come complete with glide covers . Designed to meet the requirements of HCPCS code: E0155 . 300 lb weight capacity . Limited lifetime warranty . Designed to fit 1" standard walker tubing .