Features & Details Strong Loading: Thanks to the large load capacity, our stair climber can withstand heavy-duty tasks easily. It can carry 550 lbs on the ground and 330 lbs when climbing, meeting most household and commercial needs. Dual Handles, Comfortable Pulling: Our grocery cart is equipped with 2 handles, allowing you to pull or push with a comfortable height; with this feature, you no longer need to bend over to pull the cart while climbing the stairs. Triangle Wheels, More Practical: Get ready to change the way you look at wheels! This dolly has a pair of specially designed triangle wheels for stair use, allowing you to climb up and down stairs effortlessly. It is more comfortable and labor-saving than a traditional trolley. Durable Construction: This stair climbing cart adopts an integrated aluminum alloy frame, providing firmness and durability for long-term use. The thickened 17.8 x 8.9-inch tray ensures the stable loading of the heavy items. Unlimited Applications: Our hand truck does more than transport goods, help you shop, and hold daily necessities and gardening tools. It also acts as an assistant in warehouses, airports, shopping malls, etc. No matter what, our cart will exceed your expectations!