Guardian? 3-inch Swivel Wheels will not only allow a user to maneuver over surfaces which are normally difficult, but they also you to change directions with ease. - Swivel wheels allow the user to change directions with ease. - 3-inch wheels allow the user to glide freely over rough terrain. - Now available with 8 holes of adjustment to accommodate a broader range of user heights. - Solid wheel allows the user to feel safe when walking. - Includes a pair of glide caps for the rear legs. - Deten