Sharpen : Japanese stones and guide for sharpening

Two stones with three different grains and a guide for a right sharpening inclination to sharpen Japanese knives or European knives with Japanese cut.
Stone with grain 280 to remove impurities and grain 1000 to trim
Stone with grain 3000 to polish
Kai Guide to obtain a perfect inclination of blade edge.
Dimensions of stones cm. 17,7 x 5 x 2,2 the 280-1000 grains and cm. 18,5x6,5x1,5 the 3000 grain