Includes two whetstones:  medium 1000 grit to resharpen dull knives and remove burrs & Fine 3000 Grit: use for fine sharpening and removal of burrs – smooths the knife-edge
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