1200 Grit whetstone suitable to sharpen a slightly dull bladeStone dimension: - 20.7 x 6.6 x 3.4 cmWeight: 933 gramBefore use, please soak in water for about 5 minutesVery effective...

4000 Grit whetstone is to polish (further sharpen) a sharp knifeStone dimension: - 18.5 x 6.2 x 1.5 cmWeight: 488 gramPlastic base is includedBefore use, please soak in water for...

6000 Grit whetstone is a very fine grit suitable to make a sharp knife even more sharper (polishing the knife edge)Stone size - 21 X 7.3 X 2.2 cmCome with...