Clarifications and features: * For heavy weights: Strong aluminum frame. * Use: sealed and easy to use brake. * Possibility of adjustment: Ergonomic and height-adjustable handles. * Flexibility: suitable for indoor and outdoor use. Maneuverability: Flexible forward tilt angle for increased maneuverability. * Portability: Easy to fold for storage and transportation. * Comfort: Padded seat with detachable backrest. * Suitable: comfortable manual handle.