Big Wheels Walker Kit has oversize, heavy-duty 8" wheels for easier travel over uneven pavement, gravel, and even grass. Kit includes two 8" diameter off-road wheels and two oversize rear skis for gliding over uneven surfaces. Kit installs without tools and fits most standard walkers. Walker not included. Supports up to 300 lbs. Click on video to see how easy it is to attach the Big Wheels Walker Kit to your walker!