FWIW, the tool I posted uses various grades of adhesive backed abrasives on glass plates. Mine are set up as fine a 2000 grit just to be foolish I guess. The jig for holding chisels at a set angle below the plate is the big advantage for straight edge cutters like chisels and plane blades.


_________
BrentD, (Professor - just for Stan)
=>/

[Linked Image from i.imgur.com]