This Shun Combination Whetstone includes two types of stone, a 300 grit and 1000 grit which allows you to sharpen your knives and then hone the edge to a smooth finish.
This kind of whetstone is designed for experienced knife users - who have significant knife sharpening knowledge and skills.
Shun is a part of the KAI Corporation, a family-owned company located in Seki City, Japan which celebrated its 100th anniversary in 2008. KAI is the major manufacturer and distributor of disposable razors, surgical tools, personal care products and housewares in Japan. In the United States, KAI has established several brand including: Shun cutlery and housewares, Kershaw sporting knives and Zero Tolerance military knives.