RUIXIN PRO 8 Pcs Diamond Knife Sharpening Stones for RUIXIN PRO RX-008 RX-009 Knife Sharpener Fixed-Angle Kit, Professional Whetstone Set With Base: 100/200/500/800/1000/1500/2000/3000 Grit

Cuts very fast, the 100 grit is super for shot knives. But save your high grit stones for a mirror finish. With a cheaper knife I'll use these to cut a shallower approach angle and then go to 15 degree most times. They fit the sharpener well. Using water right now and it works just fine. A notched blade will still need to be dressed with a grinder first. Diamond, stone, strop for the best edge. The diamond stones are great for my chisels and plane edges also.

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I ordered these for my Ruixan sharpener. They work great. However, do not leave them soaking in water for more than a few hours. The metal plate the diamond powder is attached to is plain old Iron, not stainless steel. So the plates immediately begin to rust and turn the water rust colored. Soak them before use but then dry them as thoroughly as possible. They seem to work fine even with the rust discoloration.

Un complemento perfecto, una solución para el afilado artesanal y profesional de cuchillos.

I purchased the RUIXIN PRO 8 Pcs Diamond Knife Sharpening Stones for my RX-008 knife sharpener, and they worked exactly as described. The stones are well-constructed and properly glued, unlike some other options on Amazon that are poorly made and prone to breaking or delaminating with basic use. This set feels solid and durable. While I'm not completely certain the grit sizes are precisely as labeled, they seem fairly accurate and perform well. These stones worked well with the RUIXIN knife sharpening system, and allowed me to sharpen eight kitchen knives quickly and get great results. My only suggestion for improvement would be the addition of a 6000 grit stone for even finer finishing. Overall, this is a high-quality product and a worthwhile purchase.

They work well, but do not last for too long before having to get replacements. If purchasing this type of stone, better to get the ones with the aluminum bases as these plastic bases warp and effect your sharpening angle.

There are a lot of new blade steels that are hardened to beyond RC60 these days, and they can take some time to sharpen with traditional stones. These are designed to be used with Ruixin sharpening system or any of the other similar systems.I got these for an M390 knife I bought recently. They were extremely fast at removing the factory grind mark and adjusting the angle. I was able to work through to the 3000 grit and remove almost all of the coarser scratches so it looks more or less like a mirror after stropping with 5000 and 14000 diamond grit. It was sharp enough to peel a sliver off my beard hair, and there are only a few microscopic edge chips after quite a bit of use.The price is good the quality and grading seem to be very good. (Basically, no deep scratches that can't be removed with the next grti.) With the rest of the system, and a diamond strop, you can quickly get a nearly perfect edge without a lot of work.

The size is normal for 1x6 inch sharpening stones and they will fit in a variety of sharpeners. Definitely a good value considering the price I paid. A few issues prevent a higher score: These stones are enclosed in a plastic mounting plate. They can wobble a bit which will affect angle accuracy. After just a few uses, 2 of the plastic backing plates are coming loose from the stones. I have no real way to measure if the stated grit is accurate but they seem a little on the light side. 2000 & 3000 grit stones don't seem to polish the knife edge as well as some others I have used.