- Material: Carbon Steel
- Brand: Kota Japan
- Color: Silver
- βοΈ DIAMOND ELECTOPLATING: State-of-the-art manufacturing for precision Kitchen, Home or Hunting blade sharpening. Ensures efficient and sharp sharpening of dull knives and tools.
- βοΈ OVAL SHAPE: This knife sharpener rod is designed to ensure higher sharpening efficiency.
- βοΈ LIGHTER TOUCH: Requires much less force than most sharpening steel. ‘Easy-does-it” leads to long lasting results..
- βοΈ ELEGANT DESIGN: A pleasing and attractive addition to any kitchen or work area,
- βοΈ UNCONDITIONAL LIFETIME GUARANTEE | 100% TESTED | BUY WITH CONFIDENCE!! Visit KotaJapan to contact our friendly Customer Service in Sunny Arizona, or contact us through your Amazon order screen.

























Scott Carle –
I have wanted a diamond steel/sharpener for a while. This one seemed to have good reviews overall and the price was right at 16 dollars. I have had it for only 2 days so I don’t know what longevity will be.I have sharpened 43 knives with it with blades 1.5 inches up to 13 inches in length. Stainless to carbon steel butcher knives to paring knives and a lot of in between sizes, I even sharpened 5 ceramic knives I have had knocking around in a box after they got dull years ago (ceramic blades took twice as long to sharpen). Maybe 30 seconds to 2 minutes each and they are close to or shaving sharp. So far I am impressed, this thing sharpens 10x faster than my stones and the form factor for me lets me sharpen the length of the blade in one swipe that helps me get it right each time the full length of the blade, short or long. The knives were all pretty dull, there might have been 2 or 3 of them that would have sliced a tomato before I sharpened them. Now they all will go through the skin without even dimpling it.Just to be clear this was a full on sharpen dull knives session. I think that from now on just a single maintenance swipe once in a while will maintain that edge. For the person with only one or two knives I can already say this should last you several years at the least. I’m a knife nut and push the boundary of my wifes sanity with all the knives I have in the kitchen. She would get rid of all but 4 or 5 if it was up to her. :), however I’m the cook and get the say so on that in the kitchen. I use 8 or 9 knives a day in the kitchen so am a pretty heavy user. So we will see how long this lasts for me.I found that different areas on the sharpener seemed to have different levels of aggressiveness. The smaller radius sides felt like they had a lot more friction than the wider flatter sides. I found my self changing where I was sharpening on it as the blade got sharper to give it a finer edge. Not sure what the grit equivalent this thing is made to be as it is not listed anywhere but I am happy with it. I also think that I noticed a little reduction in the aggressiveness between when I started and finished sharpening all 43 knives. However it is still sharpening with, to me, no perceived reduction in sharpening ability.Cleaning it is a must. After sharpening about 20 knives without cleaning it, I ran water over it and hit it lightly with a soft bottle brush and the water ran almost black from all the metal that washed off of it. After that I washed it every 3 or 4 knives.Downside, which to me is an upside. It feels like a fine grit surface on this thing but it is aggressive in removing metal from the blade. What would take me 10 minutes with my sharpening stone took a minute at most with this. I know some people that baby their knives and don’t like this aggressive a sharpener. I’m of the utility and time school of thought. Knives are a tool and I like them razor sharp, I also don’t want to spend a lot of time sharpening them. I have a lot of various knives and I use and abuse them a lot. Meat one minute and opening a box the next. If it is close to hand I will use it for whatever I happen to be doing. About the only undue care I take of my knives is to not do anything that could break the tip or chip or ding the blade.In the past as a knife dulled I would move on to the next knife I could grab that was sharp and only when frustrated drag out the sharpening stones and do a several hour sharpen the knives session. It was a pain. Once I got a decent steel that I could swipe the blades with before each use real quick this took about twice as long before I had to do the sharpening session. I love my steel more than my older school sharpening stones. It is easy and quick to use to maintain an edge. This sharpener combines the loved form factor of my steel with a super quick true sharpening ability. (just a note, though I didn’t do this with all the knives I sharpened, there were a few that I had issues getting real sharp, a swipe or two with the steel brought those up to the almost shaving stage. I would hazard a guess that those are the knives kicking around that had the softer metal in them. Though I have some really nice knives I also have a bunch of decent thickness but unknown provenance knives picked up at yard sales and resale shops that I know to be of a cheaper/lesser quality.So between my new sharpener and my old steel I don’t think I will ever have a marathon sharpening session ever again. Can we say happy!Off to dig up some of my non kitchen knives now π
Revev –
This diamond hone replaced an older one that had lost most of its diamonds. Hereβs what I like about my new hone: 1) The price is right (ah-oh, do I owe somebody money for using these four words from a TV show title?);2) The shape of the hone. Instead of having a round shape like my old one, the new hone has an elliptical shape. I think this shape allows more contact between the hone and the knife edge in the same amount of passes.3) Its length. This hone is long enough to take the worry out of using it. βWill the knife jump off the end of the hone and hit something?β4) The diamonds are this guyβs best friend. I donβt know what size the diamonds are, and therefore what equivalent βgritβ it may have, but it does a quick job of sharpening my knives. Iβm something of a sharpening freak. I canβt put a knife back in the drawer without sharpening it. And this hone works!A few thoughts at this point that go beyond a review of this particular product. First, Iβve read other reviews and the question about whether this sort of product is best considered a hone (that straightens out the edge of a blade) or a sharpener (that actually removes metal from the knifeβs edge). My experience shows that the use of a product like this does remove metal from the edge of the knife, albeit only a tiny bit. You can tell if you happen to rub the rod against a white shirt/blouse. Youβll end up with a grey smudge of metal dust. Ask me how I know this. So maybe we need a new name for this sort of product. A βsharpenhoneβ. Same amount of syllables and not too much to remember.Second, a trick Iβve learned about telling when a knife is functionally sharp that may help you. I used to use the βthumb across the edgeβ method. Iβve never cut myself doing this and I still do this out of habit. But Iβve discovered a better way. Take your knife and hold it edge-up beneath a strong light, like the normal light over a sink. If you can see any reflection off the very edge of the knife, it means that there is flat, reflective area on the knife edge and thus it isnβt sharp there. A correctly sharpened knife will have no reflection from the edge.I donβt yet know how long this βsharpenhoneβ will retain its diamonds, but I really like it. Hope this helps someone make an informed choice.
Jordan P. –
Compared to any of the brand with price points $6-14 more this is a greta value and a good learning or testing rod, but the grit rapidly wears down and goes from feeling like 600-800 at the start down to maybe 1500 within 4 heavy uses. This can genuinely get a microchipped and totally dull edge into a cutting shape but if you do that to 4 knives youll see the cutting speed and collapses rapidly. GREAT DEAL, just know that the abrasive wears out faster than other brands. It has a place in your kit probably unless you are really diligent about using a ceramic rod and have a hard enough knife. This is excellend for HRC 60 or less, but will work higher of course since it is diamond, just that the degradation is too fast on harder steels. If you dont know what the Rockwell scale is then this is probably a great buy for you.
michael –
Great knife sharpener and honer. Terrific for sharpening/honing serrated/wavy knife blades (*not super fine serrated teeth).Doesnβt last very long. For me, regular home kitchen use, about a year. Good thing it’s only $13
Bob Butella –
This sharpener has a diamond coated covering that adds a smooth edge to my chef knives. Like any sharpener, it took some learning to hold the sharpener and the knife blade at the correct angle to obtain the best result. The length of the sharpener makes it ideal for very long blades and I could obtain great results after the initial sharpening with just a few strokes weekly. I think you’ll be satisfied with this item and when doing food prep remember there’s nothing better than sharp knives to make it easy to cut, slice, dice.
Tere Alston –
Loooooove the diamond honing steel! My knives glide like hot butter on bread thanks to this. Great quality, price and easy to use.