Includes two whetstones:  Fine 3000 Grit: use for fine sharpening and removal of burrs – smooths the knife-edge and 8000 Grit - Superfine Sharpening for the thinnest and sharpest of knives, tools, etc. and polishing of all fine blades
Submerge the whetstone in water for approximately five minutes before use
Mount stone in the rubber base and place on a non-slip surface
Ensure whetstones remain wet while sharpening
Avoid removing the powder build-up as it helps sharpen the knife
Ideal for sharpening straight edge knives at a 15 to 30 degree angle using a constant back and forth motion
Not suitable for serrated knives or scissors