This Heavy Duty Stair Climbing Hand Truck with 330LB capacity is a collapsible utility dolly cart with 6 rubber wheels and telescoping adjustable handle, portable for moving, delivery, warehouse, home, office and commercial use. It supports 330LB stably, with 6 rubber wheels for easy stair climbing and flat ground movement. Collapsible design ensures portability and space-saving storage. Telescoping handle adjusts to fit different heights, offering comfortable grip. Versatile for various scenarios, it’s a reliable helper for daily and commercial hauling.