Professional Kasumi Whetstone Double sharpening stone Kasumi fine 3000/8000 grits. It preserves the angle of the blade sharp and smooth. Suitable for high hardness knives.
Made in Japan.Instructions
Place the whetstone on the non-slippery rubber base. Then, find the angle that suits you (between 8° -20°) and start sharpening. Ceramic whetstone that works with water, non-slippery rubber base and manual included.