Kasumi Sharpening Stone 1500/4000 grit

Professional Kasumi Whetstone  Double sharpening stone Kasumi fine 1500/4000 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, rubber base and manual included.