The Harper Truck Nylon Hand Truck is designed with a steel and nylon composite structure that gives it ease of movement without sacrificing strength. This Nylon Hand Truck from Harper Truck has built in stair glides that allow for easy moving of your cargo up and down both stairs and curbs. The hand truck can withstand loads up to 600 lb. It is ideal to transport heavy loads. This hand truck has a base plate that is made of steel. This ensures that it is sturdy and will last for years to come. The hand cart is made in the United States of America and is reliable.