This dolly from Magliner works like a regular hand truck, but with more versatility due to a second pair of auxiliary wheels. The smaller wheels tuck out of the way when not in use. If moving ...

With the base plate folded up and the wheels tucked in, the Magna Cart Personal Hand Truck is only 2.5 inches ... is dwarfed by some of the other dollies on our list. Ah, but when you come to ...