HORL® Diamond Sharpening Stone - Coarse

This HORL diamond sharpening stone coarse is the heaviest step in the sharpening process. Diamond is harder than any knife steel and therefore removes material quickly, even on highly hardened Japanese steel where a regular stone slides off. You reach for this disc when a knife is truly dull, or when there is a nick or rolled section in the edge that fine sharpening will never remove.

Not for every week

Coarse sharpening costs steel, and steel that is gone does not come back. Use it when a knife will not get sharp after fine sharpening, when the edge is visibly damaged, or when you want to bring a neglected knife back to usable condition. For regular maintenance in between, you then switch to the finer grits.

• Coarse diamond grit, removes material quickly
• Repairs damaged and rolled edges
• Interchangeable on the HORL sharpening roller
• First step in the sequence coarse, fine, ultra fine

Use

Start coarse, move finer and finish with polishing. Each step removes the scratches from the previous one, so skipping steps gives you an edge that looks sharp but turns quickly. Work both sides equally and keep the same angle throughout.

Check out the rest of the HORL knife sharpeners.