Foldable Knee Scooter - Black. Dual Ergonomic Hand Brakes, TKWC Inc. Memory Foam Knee Pad Cover, weight capacity 300lbs., fits individuals between 4'9" and 6'6", handlebar height range 35.6" to 43.5", Knee support Height Range 17.5" to 22.5", consult your physician or heathcare professionsal for proper walking and use instructions.