Shapton

Shapton is one of the Japanese whetstone manufacturers that specializes in Splash and Go stones. None of their products needs to be soaked before use. This will help with usability since it also shortens the sharpening time, which is very useful for people that works in a busy kitchen. Shapton also has the widest variety of grit, starting from 120 grit all the way to 30000 grit, and they are also more resistant to dishing compared to other brands of whetstone.