Help Your Walker Glide Across Most SurfacesThese helpful walker ski glides will make it easier to push your walker across most surfaces, including carpets and concrete. They save you having to lift the walker to get across a room, parking lot, sidewalk or store. They are excellent if you have limited strength or just tire of constantly lifting your walker. It's best to place the glides on the back legs for better maneuverability. They work well with wheels or rubber tips on the front legs. Each package contains two ski glides. They fit walker legs with a 7/8 and 1 inch inside diameter.FeaturesRecommended for the back legs of the walker and can be used in combination with front wheels or rubber tipsContains 2 walker ski glides per packageInstall with Phillips head screwdriver (to tighten it once on the walker)1 ½ x 3 ½ inches each