Hone ID

[Audels1]

Hi gents,
My uncle passed away 6 months ago and my dad just dropped off some his tools which included 6 stones 3 of them are Sic bench stones. but the other three I have no Idea.

I have no clue what this could be.


This one I think is some sort of soaking stone.


and this is some sort of slate.

all them were oil soaked but were fairly easy to clean. A couple of hours in degreaser did the job.

What do you guys think.

Thanks John