Product Description The Drive Medical Universal Cup Holder by Drive Medical has a clamp that allows cup holder to swivel while keeping contents level. It easily attaches to wheelchairs, rollators or walkers with tubing diameter from 5/8"-1" and comes with a special clamp insert to accommodate different size tubing. The Glide Skis in white by Drive Medical are for use with all 1" folding walkers to provide a smooth transportation over most surfaces. The durable, composite construction ensures a long life and can be easily added to most walkers. Features and Benefits * 10110: For use with all 1" folding walkers * Easily added to walker * Durable composite construction ensures long life * Ideal on most surfaces * For use with all Drive and most leading manufacturers walkers Model # UWAK1