What is This?

[James Baldwin]

Hi, I picked this up at an estate sale for a couple of dollars and would like to know what it's for. I'm thinking that it's for setting jointer knives but I could be wrong ( wouldn't be the first time :D ) Jim

505652505653

[Mathew Moe]

Yes. For a small jointer

[Dan Cameron]

James, I cant believe this. I took these pictures a few days ago intending to post a whatsit!505657505658

[Kent A Bathurst]

Yes. They are known for their proclivity toward breeding.

[Bill Dufour]

Also works on my parks planer which has no jack screws.
BilL D

[Tom Bussey]

I have one that came with my planner.

[John Kananis]

Toilet paper holder and handicap handhold for when you're done... lol jk of course.