The HSS series is most hard whetstones

Originally a knife specialized for fish dishes

■ Need Setting Up KATSURA Japanese Chisels

4% molybdenum

New material improves water resistance and durability

"KYO HIGASHIYAMA" Synthetic Whetstone Double Sided #1000/#6000 (Middle/Finish) AO-TSUBAME The HSS series is most"KYO HIGASHIYAMA" Synthetic Whetstone Double Sided #1000 #6000 (Middle Finish) Size : 205mm x 75mm x 35mm, Weight Approx. 1. 2 kgs Grain Degree : #1000 #6000, Middle and Super Finish Made In Japan No need to soak before using. Just pouring some water on the surface is enough. ST series is standard and main series, with all number of whetstones to fulfill you sharpen the knife. CR VT series is for hard stainless and carbon steel quick to sharpening.