Jennings Griffin Brace Auger Expansive Bit up to 2.0 inch Dia.
This is a very nice expansive brace auger bit, marked "THE JENNINGS & GRIFFIN MFG. CO." on the shank, and comes with the 1.1-2.0" range adjustable inserts. It's length is 8.5" long overall and has a medium duty .34" shank diameter. As you can see in the pictures, the graduated scale on the insert allow you to pre-set the size diameter that you want. In very nice condition, about 90% like new! No rust or damage, sharp and ready to use.