Nagura Stone for Sharpening Honing Stones, Grit 1000

Firstly, be aware that this is not a flattening stone. Nagura stones are used to help build up slurry on the actual sharpening stone, which is why you want to match the grits of your nagura to the water stones you are using to sharpen. If you need to flatten out a dished water stone there are separate products for that.If properly used, water stones will get knives sharper, and more durably sharper, than any other type of sharpener, such as diamond or oil stones. In other words, not only is the edge of a knife keener when properly sharpened on water stones, it will stay sharper longer. This is due to the random mixture of the cutting material suspension in the media, and without going into a lengthy explanation, suffice to say this effect only works when a stone has at least a little, and ideally a lot, of slurry on it. Otherwise it will quickly clog with swarf--tiny metal particles removed from the blade, and when that happens it eliminates the feature of the water stones that allow them to produce the sharpest, most durable edges.I'm very comfortable sharpeing with diamond stones, but I'm in the process of learning on, and converting to, water stones; and I don't know if it's the relatively cheap stones I'm using right now, or if this is true of all types, but at grits under about 3000 it takes a very long time to build up slurry. So I decided to invest in a 1000 grit nagura--the lowest grit I regularly use--and it has helped with the slurry. Maybe not as much as I would have liked, but even a little is better than none. My only complaint with this stone is that it is too hard: like my actual 1000 grit sharpening stone, it just doesn't want to break down into slurry without a lot of vigorous rubbing. That isn't entirely negative because it means the nagura stone will last a long time (the attached pics are after about two months of use, and there is no visible wear), but I would have preferred a slightly softer stone that more easily created slurry. That is the reason I rated it four rather than five stars. Never the less, it's a useful tool, and recommended if, like me, your 1000 grit stone doesn't raise enough slurry as you sharpen.

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This is an excellent quality nagura which is also very reasonably priced (good quality nagura stones are expensive). One good thing about it is that it has a finer grit (#1000) so it is not as aggressive as most other naguras sold in this price range (those typically have a grit between 220 and 400). What it means is that it creates a finer slurry and also doesn't abrade your waterstone too quickly when you flatten it. This nagura has a nice feel in your hand (about 4.4 oz when dry), it has beveled edges so it doesn't accidentally cut in your stone. You need to soak it in water for 10-15 minutes prior to using it. It needs to be stored dry. It is a nice little thing which is a must if you sharpen your knives and tools using waterstones.

Came flat on all sides (as far as I could tell).A few swipes across a 1000, 3000 or 6000 grit and you're good to go with a slurry.A few more and it does a decent job of lapping, if you don't have a good flattening stone (which I didn't at the time).It DOES hold on to the material a bit, though, as should be expected.If you remember which side you used with which stone, you should be able to avoid contamination...up to four stones, of course.All in all, nice product!

This stone probably does what it says it’s supposed to, but it is softer than expected and is easily damaged

This stone will clean metal from your water stones and enhance there sharpening.

At first I was dissapointed because they aren't that big. But boy do these things perform, they have made my Shapton Pro's and Naniwa Super Stones feel/cut and polish sooooo much better. They are really good but I wish they were big bricks instead of little dinky things. For $20 dollars you can get a full size King stone, so I would expect a nagura to be bigger!

The slurry crated by Nagura enhances the sharpening process, cleans the stone of prior debris, and provides a convenient means for flattening whetstones. The key to this process is soaking the Nagura prior to use and not adding too much water to create the slurry. Think of slurry more as mud than as lather.