Another "What is it???"

[abunaitoo]

This is a strange one.
Not used anymore.
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[gmsharps]

Looks like parts to a hole punch

[Bazoo]

Looks like a grommet setter.

[rancher1913]

grommet tool was what I was thinking too.

[kenjuudo]

Saw tooth set adjuster made to work in the slot of a table saw.

[Bazoo]

I've never seen a kerf setter like that.

[abunaitoo]

Correct. Table saw blade kerf setter.
I thought this one would be harder.
These are not to common.
Even back in the days.
I don't even think anyone uses them anymore.
Not sure young people even know what the kerf is????
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[country gent]

With carbide tipped blades that would chip the carbide or break it loose and make it worse than before.

[abunaitoo]

If I remember correct, with carbide tipped blades, the tip is off set for the kerf.
The teeth are straight.
With those you just sharpen the teeth.
But, if I remember correct, you have to angle the face, and it had to alternate.