3 in 1 Convertible Stair Climbing Cart with Wheel Heavy Duty Aluminum Hand Truck Dolly Cart with Loop Handle Folding Stair Climbing Cart Trolley for Transport Logistics Moving. Features: Effortless Stair Climbing, Versatile Mode Switching, Exceptional Load Capacity & Durability, Comfort-First Ergonomics, Multi-Scene Utility. Product size: 1300.00x500.00x450.00mm or 52.36x19.69x17.72inch. Material: Aluminum alloy. Origin: Mainland China.