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💼 Sharpen Smarter, Work Sharper — Elevate Your Tools, Elevate Your Game
The SHARPAL 121N Dual-Grit Diamond Sharpening Stone features durable monocrystalline diamond coating on stainless steel, offering coarse 325 grit and extra fine 1200 grit surfaces for versatile tool sharpening. Designed with an ergonomic grip and 20° angle guides, it enables effortless, oil-free sharpening. Trusted worldwide with a 3-year warranty, it’s the professional’s choice for maintaining razor-sharp garden and workshop tools.



















| ASIN | B07WJJLFMX |
| Best Sellers Rank | #4,035 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #3 in Sharpening Stones |
| Brand | SHARPAL |
| Brand Name | SHARPAL |
| Color | Black |
| Customer Reviews | 4.6 out of 5 stars 3,270 Reviews |
| Grit Type | Coarse,Extra Fine |
| Included Components | Item |
| Item Dimensions L x W x H | 8.46"L x 1.38"W x 0.51"H |
| Item Weight | 150 g |
| Manufacturer | Sharpal |
| Manufacturer Part Number | 121N |
| Material | Monocrystalline Diamond |
| Material Type | Monocrystalline Diamond |
| Model Number | 121N |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Dimensions | 8.46"L x 1.38"W x 0.51"H |
| UPC | 814744020435 814744020718 |
| Unit Count | 1 Count |
S**D
Great tool
Taking my time in am able to produce some great results. A leather strap adds a benefits
D**N
Great little sharpener. Why didn’t I buy this yrs ago?!
After years of trying and largely failing to sharpen my tools with a small sharpener that came with one item and, as a result, not sharpening tools nearly as well or as frequently as necessary, I’m so glad I bought this sharpener. It’s very easy to use, which for me results in tools getting sharpened very regularly. Nice size, shape, and weight (light), but also feels solid so you’re not worrying about breaking it. I expect to get many happy years keeping tools sharp. I think our plants are happy, too.
D**.
Works.
Nice. Makes me wish I'd never purchased those colorful plastic versions with the bad grit. The cost of this is slightly higher, and it's smaller, but the quality is much better.
M**4
Works Great for Me
I’m a relative beginner when it comes to knife sharpening, and this has been a very useful tool for me. I found it effective and much easier to use than several other sharpening options I’ve tried in the past. The 325 / 1200 grit combination offers a really practical range, allowing you to remove material when an edge is in rough shape and also offering finer honing to clean things up and restore sharpness. One of the biggest advantages for me is the comfort and control. The handle feels good in the hand and provides a secure grip, which makes the process feel more stable and less intimidating. I also appreciate that it is fully handheld rather than needing to be laid flat on a surface. I’ve always struggled to maintain a consistent angle with flat stones, and this design makes that much easier and more forgiving. It’s also very convenient to use. There’s no setup, no soaking, and no extra accessories required. I can grab it, sharpen a knife in just a few minutes, and put it away just as quickly. So far, I’ve had great results on both my pocket knives and kitchen knives, with noticeably improved sharpness.
J**N
I wish I had this years ago
I had been using the typical consumer "tools" for sharpening my knives only to find out they were not truly sharpening. Over a period of some weeks, I researched various options but found them to be more work or too expensive so I just stopped thinking about it. I then saw this one in a video somewhere and it caught my attention. I liked the grit scale difference from one side to the other and the material. I was a little concerned about the length but I bought it nonetheless and I just had to get used to the length. Use it even on my longest knives. Used it on an older knife until I got used to it and then did a fave kitchen knife. I was amazed at how sharp it was versa the old method. I tried it on garden nippers that I could not sharpen with my old tools and that my wife was ready to throw away they were so dull. Jaw dropping improvement. Went on to scissor, etc. Now, all my kitchen knives are sharp enough I can cut myself like a pro!!
C**E
Buying my 3rd one now
I'm here to buy my 3rd one. One for work, one for home and one for my backpack. I sharpen everything in a fraction of the time and with better results.
A**W
Great
Good quality
D**H
Does not last all that long
I was so excited to get several of these after some reviews promised they last years or forever. No, they do not. I have a set of Felco clippers with a blade that I sharpen about every 4-5 days after using on my property, which has stick weeds (thick, woody stems), multiflora rose (more thick woody stems but with thorns) and baby Autumn Olive trees. The grit works well for about 3 weeks, then gets progressively more worn until it can't sharpen at all. It's great while it works, it just doesn't last as long as many reviews claimed.
B**N
Efficace et prise en main aisée.
Je dois affuter 2 taille-haies, je crains que la surface diamantée, qui semble très mince, soit usée avant d'arriver au bout. Ça marche bien pour les couteaux de cuisine ... pour le reste ça paraît fragile ?
C**R
Voldeed nog steeds .
Voldeed nog steeds . Bedankt !
E**T
Sharpens Exceptionally Well and Quick.
I have tried many different sharpening systems and the quality/results greatly vary. I usually sharpen using traditional sharpening stones, but I wanted to find a solution that was accessible and faster. The Sharpal tool meets the criteria for keeping knives and garden tools in top shape. The dual-grit design makes it versatile, allowing for both coarse sharpening and fine honing. It sharpens incredibly well—my dull knives are brought back to life in a short space of time. The diamond surface is durable and efficient, making the sharpening process quick and easy. It’s also compact and easy to store, which is a bonus. There is still a skill to sharpen knives with this tool, but with some patience, you can achieve great results without breaking the bank. Highly recommended for anyone looking for a reliable and effective sharpening.
F**B
Fácil y cómodo
Es estupendo, afilas rápido y muy bien si cuidas el ángulo, lo puedes llevar a todas partes, no se va a partir con un golpe como las piedras de cerámica, es cómodo, se agarra bien y deja un acabado muy bueno con el lado más fino. Llevo cinco afilados de cuchillos de cocina y está como el primer día, no va a hacer cuenco como las piedras. Si dura mucho merecerá las cinco estrellas
E**A
Ostrzałka doskonała.
Bardzo dobra . Doskonale ostrzy.
Trustpilot
1 month ago
2 days ago