POLISHED CUTOUTS (SINKS)
These are the cut-outs for under mounted sinks etc, that require the inner exposed edges to be polished because they will be visible.
BELFAST SINK CUTOUT
These are the cut-outs for belfast style sinks, these sinks require there to be no front edge to the work surface.
UNPOLISHED CUTOUTS (SINKS & HOBS)
These are the cut-outs with an unfinished inner edge that will not be visible, i.e. for hobs and surface mounted sinks etc.