Edge Pro Matrix stone, 4000 grit

The Edge Pro polishing stones are used during the last step of the sharpening process to polish the edge of your knife.

Compared to the polishing tapes the polishing stone leaves a more mirrored finish, according to the manufacturer. In addition, the polishing stone will last longer than a set of polishing tapes.

You can clean the stone with some water and mild detergent and clean paper towels. To lap the stone you need sandpaper with grain 320 or 600 and a little water.