but what makes lapping films unique is ultra-fine versions

Only bonded diamonds can be flattened

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

The grind can be symmetric

Mathematically verified radial-convex shape of the outer surface allows you to set the sharpening angle of only 7

belgian blue whetstone kme bestseller but what makes lapping filmsBelgian 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.