Convertible Dolly Cart：This is a 3 in 1 steel hand truck. The steel hand truck easily folds from the hand truck to utility cart position. Easily converts to a 2 wheel upright, 4 wheel cart or assisted 4 wheel hand truck with just one hand.

Heavy-duty steel Frame: This truck can be used as a regular dolly or as a stair climber. As an upright hand cart, it can safely carry up to 550 pounds, while its four-wheel configuration supports up to 770lb meaning fewer trips and a quicker move.

Ergonomic Handle Design: The ergonomic design provides maximum control, and makes it easy to maneuver, help lift weight quickly and easily, on flat ground or in a place with a certain slope. Reduces the chance of injury, fatigue and muscle strain.

Easy to Move: Wheel Diameter: 10" Pneumatic Tire 5" Caster. Designed with the heavy-duty flat free wheels. The truck is extremely easy to move and make deliveries a breeze with this commercial grade steel stair climber hand truck.

Specification: Overall Size: (46.5 x 40.5 x 19.5)" (L x W x H).Foldable Size: (51.5 x 19.6 x 18)" (L x W x H).Weight: 46lb / 21kg. Complete assembly of this hand truck is required. User's manual is included