I was thinking the dom would be in the '50 too...would love to see a catalog. Thx for the reply.I can't find any information either. but given the style, color of the handle, and logo, and model numbering, and the USA. A good probability of production date is close to 1950
My guess would be Nut Driver Allen. Their nut drivers were ND- series model numbers, like many mfgrs, and their hex (or "Allen") keys or wrenches were AW- series, like many mfgrs. So, process of derivation, if they were consistent, NDA would be Nut Driver Allen (type). But that is just hunching.I find no reference to NDA on the collecting snap on site. What does it stand for?
I'm thinking that these sets are pretty rare...or the guys that know a