West Marine sells several types that fold up nearly flat and compact. They can carry 275 lbs and have 7.25" rubber wheels. They are a bit spendy, however they are very sturdy as they are made for hauling gear to and from boats on the docks yet be able to store aboard and take up a very small space. They are called "dock carts". You can shop on line at: www.westmarine.com Terry Jack Asso. Member Eugene, OR Chapt.
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