Opinel Natural Sharpening Stone - Premium Knife Sharpener for Kitchen, Hunting & Outdoor Use - Perfect for Honing Blades at Home or Camping

Natural sharpening stone From Lombardi, Italy. The quarries of Lombardi are known to produce some of the world's best natural sharpening stones. The natural Lombardi stone has been recognized since the 15th century for its outstanding sharpening qualities due to its perfect, uniform balance of quartz and carbonates. 

Wet the stone before use.

Recommended for folding knives.