KEDSUM Folding Hand Truck, 330lbs Foldable Dolly Cart, Heavy Duty Luggage Cart with 4 Wheels, Portable Collapsible Utility Dolly for Moving for Travel, Luggage, Office Use - Yahoo Shopping
Amazon.com: 330LB Folding Hand Truck Heavy Duty Carrying, Combination of Four Wheels and Two Wheels Convertible Dolly Cart with Retractable Handle Dolly for Moving Office Carts : Industrial & Scientific
990LBS Aluminum Hand Truck 2 in 1 Heavy Duty Convertible Folding Dolly Cart | eBay
Mount-It! Hand Truck Dolly - Industrial Strength 440 Pound Weight Capacity | Heavy Duty Folding Dolly for Moving with Collapsible Wheels and Telescoping Handle - Amazon.com
Mount It Folding Hand Truck And Dolly 264 Lb Capacity - Office Depot