Thank you, all. Other tools range from 1950's to 1980's, perhaps 1990's.
The fellow was into motorcycles. He also did automotive upholstery. So
the leather cutting idea seems plausible. Definitely not a homemade
tool. The tolerance between the housin...
Thank you for the responses.Ok, so its not a common tool. More
information: It was with lots of other small engine tools. The shiny
sharp part rotates as well as sliding back and forth about 5/16" in the
housing. The threaded part of the housing has ...
