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Cerax Combo 1K/3K
Cerax Combo 1K/3K

Cerax Combo 1K/3K

Item #: CR-3800

Average Customer Rating:
(5 out of 5 based on 8 reviews)

Read Reviews | Write a Review
Our Price: $59.95(You Save: $10.00)
These Cerax Combination stones are a great way to start your sharpening obsession. This set has the 1K and the 3K back to back in a convenient box that works as a stone holder as you sharpen. The stones are 185mm by 65mm. The 1K is a bit thicker at 16mm, vs. the 3K at 13mm. These are water stones, so you'll need to soak them for 5-10 minutes before using them, but don't leave them in the water for too long. This set also comes with a small negura for creating a slurry or for cleaning the stones.

Customer Reviews


8 review(s) WRITE A REVIEW (Reviews are subject to approval)
  Very Satisfied, January 29, 2023
Posted By: Jon B

I recently purchased my first set of water stones for sharpening my first Japanese knife and I must say, I'm impressed! As a beginner, I was not able to achieve a scary sharp edge on my knife, but I attribute this to my inexperience and not having perfected my hand movements yet. Despite not being able to create a burr, the process of sharpening with these stones was a real pleasure. It took me 15 minutes but I am hopeful that with practice, I will be able to sharpen my knife more efficiently. Overall, I'm very satisfied with my purchase and look forward to honing my skills with these stones.

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  Get the Separate Stones, August 4, 2022
Posted By: James
3 people found this review helpful

Giving it three stars mainly for the system. I got the combo thinking it would be a great one piece solution, and was thinking of recommending it to a friend just starting out.

My main issue with it is the plastic that separates the grits sticks out too far. This impedes your hands, in my view. I just don’t want it there. The setup seems to be great on paper as it holds the stone, has a top, can hold water in the bottom to soak the other side, holds a small dressing stone in bottom, and has feet for the counter. The plastic sticking out is kind of integral to keep the prodigious amount of slurry from getting to the other side. But it interferes.
The other thing about the system is the plastic seems quite brittle. The top is also loose. The stone does sit pretty securely on a surface for sharpening with the rubber feet. But I wouldn’t count on it to be put in a tool box unless you protect it and rubber band the top. The plastic is not like the Shapton Pro boxes, which can take some impact and are not going to crack with a little jostling in a tool box. Those little boxes make better sharpening stands too imo. Part of the reason they’re popular with woodworkers.

The other thing you is these are very messy stones. Whether that’s good or bad is up to your preference. It does mean you really want to use it over a sink or a container where there’s lots of water available. This is where the combo system just seems to make it harder on a table. Because you have to pick up the whole thing with it’s nearly 1/2 inch lip around the stone and rinse it under a faucet.
That plastic lip also makes it impossible to lay the stone on its side to dry. On one end there’s a hole to hang it, but you’re going to need a thin hook that sticks out from the wall a bit. A thin metal coat hanger upside down would work.

If you want to try the Cerax stones you can get the small 1000/3000 combo that comes with a minimal rubber base. It’s $20-30 depending who’s selling it. I didn’t realize it was the Cerax till i got this large combo. I really like that little one for pocket knives, and omg, you can get right up to the side.

I don’t recommend this setup for beginners. Before getting it I thought it would be near perfect. Plus the Cerax needs attention with the included dressing stone, and then the flattening. You’re going to go through some stone on the 1k because it’s relatively soft.
Experienced people know enough to either be bothered by the system and move it on, or they’re not bothered. They get lots of stones. To me it’s like when you sharpen and there’s something on the counter that you don’t hit with your hand, but it’s close enough to annoy you so you have to move it. With this Cerax combo system you’re stuck with it.

Get the separate stones, it’s a more enjoyable experience.

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Posted By: Luke Thobe - verified customer


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  Great Combo!!!
Posted By: Will C
1 people found this review helpful

I have had this about 8 months now and it is a great setup. Very well thought out in terms of design.
The stones are really good too. The 1K side cuts fast and the feedback is excellent.
The 3k feels pretty similar and cuts very well too but seems to load quicker than the 1K side.

All in all I would recommend this and even though I have many pricier stones I use this very often.

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  cerax stone
Posted By: JZM - verified customer

Recommended by Mark - hv n to yet used it.

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  A good set of stones
Posted By: Roger Chueng - verified customer

This 1k grit / 3kgrit combo stone works great.

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Posted By: Chris Giddens - verified customer

Great product as described. Would definitely recommend and will also purchase again when the time comes. I will do so from chefknivestogo as well.

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  Excellent buy
Posted By: Behike442 - verified customer

Best bang for your buck, I love this stone it's smooth gets my knifes razor sharp. Kudos

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