Ski glides eliminate the need to lift your walker over bumpy surfaces. Simply replace the rear rubber tips of your wheeled walker with these walker ski glides. The glides will fit most walkers with 1" to 1.125" (1-1/8") diameter tubing. Manufactured by Carex, these plastic ski glides will make it easier for you to travel over carpet, hard floors, sidewalks, pavements, grass, and other rough surfaces. Plus, they're quiet and durable for long-lasting use! Installation is quick and easy with a small screwdriver.