Gritomatic Silicon Carbide Stones are recommended to be used with water as lubricant

Both series are extremely good

multi-tools

exposed irregularities will go away and the surface becomes smooth

Refined olive oil (for experienced users only)

idahone ceramic stone for kmex Grit:Medium Gritomatic Silicon Carbide Stones areIdahone Ceramic Stones are used for sharpening knives using KME or Hapstone knife sharpener. The stone has an extremely high hardness rating. Idahone Ceramic scarcely wears over time. Ceramic stones are available in three grits: medium, fine and ultra fine. Ultra fine ceramic stones utilize the top quality 99. 5% alumina and provide a super finish for the cutting edge. Idahone Ceramic stones should be used with oil or WD 40 as a lubricant. Idahone