I picked these up some time back and decided to look them up. Blue Point Supreme was made back in the 1950's. I was a bit more unclear on the Proto Professional and the Great Neck, but they all came out of an ancient tool box and I'm fairly sure they are from a similar era.
The sizes are as follows:
Proto Professional open end 1" and 15/16" Great Neck (made in Korea) open end - box end 17mm Blue Point Supreme open end 17mm and 19mm Blue Point Supreme open end 16mm and 18mm
For those unfamiliar with Blue Point, they are made by SnapOn Tools
All four wrenches are in good used shape. Shipping quoted will be via Padded Flat Rate Priority Envelope and will be fully insured for your purchase price.
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Returns & exchanges
I don't try to be an expert in any particular field. I will try to describe an item to the best of my ability. If you an item to be other than what I've described, then I will be happy to refund your money upon return of same item.