Japanese whetstones in particular are said to produce a finer edge than North American stones, This King Brand Japanese Sharpening Stone features 1000 Grit is Great for Home or Restaurant use.
Proper maintenance of a knife is very important. A sharp, well honed edge is essential for a clean cut. There are a number of ways to sharpen a knife, but water stones are the preferred method, because the user has absolute control during the sharpening process. Japanese whetstones in particular are said to produce a finer edge than North American stones.

Grit: Medium #1000
Type: Synthetic
Size: 8.2 x 2.6 x 1.3 H inches
Made in Japan by King

MPN: NO.1000
UPC: 4963188100206