Thread: ID for this one please?

What Jimmy said, but the back looks like granite to me. Mayby to give the stone support.
M

Originally Posted by Kingfish

What Jimmy said, but the back looks like granite to me. Mayby to give the stone support.
M

+1 on the granite back

Looks like an Arkansas glued to a granite tile cut to fit.
The big pink feldspar crystals are a big give away. If
the glue sticks it will make a nice bench hone.

And the flat granite might take some of the abrasive films
to give more range to the grit options.