Invacare 5" Walker Fixed Wheels with Glide Tips provides increased maneuverability and stability, making it ideal for users who need to travel straight and have the strength to pick up the walker and change directions when needed. The fixed Wheels with rear glide tips help users perform daily activities with less effort and fewer steps. Wheel rims made of durable, easy-to-clean polypropylene; tires made of thermoplastic rubber for increased durability. More cushioning and improved maneuvering over uneven surfaces Use 13" rear leg extension for maximum adjustability. Both wheels and bearings are corrosion-protected. Weight capacity: 300 lbs. Use 13" extension for maximum adjustability.