Combination stones are a great way of getting into sharpening for the first time as they provide you with two different grits of stone for the price of one, allowing you to maintain your knives properly with a small inital investment. The downside however, is that the effective volume of stone you get for each grit is relatively small, hence the stone tends to wear thin quicker, thus needing replacement more often. Additionally, as a stone is used, it wears unevenly, typically leaving high spots in two opposite corners of the stone. For a combination stone, as both sides of the stone are used, the stone can wobble during sharpening. Single grit stones eliminate this issue as you would only sharpen on one side, leaving the other side completely flat and stable. The Naniwa Multi Stone comprises of a 1000 grit side (Red) for sharpening and a 3000 grit side (Yellow) for refining the edge. This Whetstone is: - Soaking - Soak for at least 5 minutes before use - Medium Cutting - Slows down some with harder, high-alloy steels - Medium Hard Wearing - This stone dishes at a moderate rate - Low priced - You get a excellent 3000 grit stone with a decent 1000 grit side How to use: - Soak the stone in water for about 5 minutes. - Splash stone with water whenever it feels dry. - Start with the 1000 grit side first (Red). - Begin sharpening your knife in sections, do not stay in 1 section for too long. - Check each section and ensure a consistent burr has developed before switching sides. - Repeat the same process on the other side. - Deburr your knife by using an edge leading stoke on the whetstone - Check for any burr remaining and deburr section by section until you have a sharp edge. - Repeat with the 3000 grit side - Done! Results to Expect: After using the 3000 grit side, your edge will achieve a cloudy but bright finish, you should not easily be able to notice a scratch pattern . The edge should easily push cut paper if your sharpening angle is below 15 degrees. You may be able to cut a freestanding piece of paper in half. This edge is usable for 100% of kitchen tasks. Troubleshooting: If your edge is sharp in some areas but not in others, check that you have deburred consistently throughout the edge. Also, make sure you have a consistent sharpening angle throughout the length of the blade. You may have microchips on the edge if your edge cannot achieve sharpness at specific points on the edge. You may use a 400 grit stone to remove these microchips. Dimensions (Stone Only): 185 x 65 x 30mm Weight: 775g approx.
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