it is real easy to go to global.rakuten.com and on the home page search masamoto. 2 pages of their knives come up. You can tell by price if it is a KS, KK and so on. Click the knife you are interested in and look for the model number. The stainless is sw-3124 for the 240 and so on. You can cross-reference model numbers with JCK can find exactly what you are looking for. There is nothing difficult about using their site.