Top Glides Universal Walker 5 Inch Wheel Conversion Kit with FREE FlexFit Ski Gl UNIVERSAL KIT converts folding walker to wheeled style ADJUSTABLE HEIGHT with 8 settings and 350 lb weight capacity LARGE 5″ WHEELS for better traction and easier navigation FREE UNIVERSAL SKI GLIDES one pair of our best-selling FlexFit universal ski glides – a $10 value! Top Glides has a truly universal wheel kit so you know it can fit. Two big 5″ rubber wheels for easier navigation. Double rows of holes for compatibility with most walkers. Height-adjustable without tools. Exclusive Top Glides FlexFit ski glides fit the widest range of walkers and are extra-thick for greater durability. Money back guarantee and FREE 2-3 DAY EXPEDITED SHIPPING UPGRADE for US customers.