Double Clamps securely hold a blade of any shape

It well fits hunting knives and folding knives with a wide spine

put a small amount (1-2 drops) of honing oil on the stone’s surface and spread it evenly over the stone with a finger

The CBN-bearing plate contains evenly distributed CBN grains with resin bonding

The grind can be symmetric

belgian blue whetstone kme bestseller Double Clamps securely hold aBelgian Blue Whetstones (BBW) are used for finish or pre finish sharpening on KME or Hapstone knife sharpeners. Belgian Blue Whetstone is mined in the Ardennes mountains in Belgium. BBW is natural slate with a high garnet content. BBW stones are universal, and can be used to sharpen knives of any steel. How to use Belgian Blue Whetstones should be used with water. All that is required is to wet the BBW surface. There is no need to immerse the stone.