SilverCrate+™ Knee Protector Scooter up to 350lbs (Crutch Alternative)FDA Certified Knee Walker: Our steerable knee walker is FDA approved and meets the highest medical standards, which is why it is a great alternative to crutches for individuals recovering from calves, ankles, and foot injuries. Sturdy and Durable Material: Constructed of high quality materials and a strong metal frame, this knee walker ensures long lasting durability with a high bearing load of 300 lbs. The four 8 inch PP wheels are wear resistant and