Vintage CRAFTSMAN No. 9 3644 Circle Cutter Combination Shank - Adj. from 7/8" to 4"
This tool cuts a circle from 7/8" to 4" and has a combination shank for a bit brace or a 1/4" or larger electric drill. It also includes the original box.
This is a tool that may interest collectors of vintage Craftsman tools. Please see the photos for more details.
The hexagon wrench mentioned on the box is not included.
Thanks for looking!