Best Self Sharpening Stones of 2025
* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Self-sharpening stones are a revolutionary new tool for anyone who needs to keep their knives, scissors, or other cutting tools sharp. These stones are designed with a special surface that constantly sharpens the blade as it is used, ensuring that it stays razor sharp at all times. This means that you can spend less time sharpening your tools and more time using them, making your work more efficient and effective. Whether you are a professional chef, a carpenter, or just someone who likes to keep their tools in top condition, self-sharpening stones are an essential addition to your toolkit.
At a Glance: Our Top Picks
#TOP 1
9.8
#TOP 2
9.7
#TOP 3
9.5
Top 3 Self Sharpening Stones
Whetstone Sharpening Stone Kit
The CWINDY whetstone kit comes with a premium quality double-sided whetstone, non-slip rubber base, knife sharpening angle guide, fix stone, and a manual. The low grit side is for refining the dull edge, while the high grit is for polishing the edge. It is suitable for almost all kinds of knives, precision tools, planer tools, and chisels, except for serrated blades and ceramic knives. The whetstone is made of premium white corundum and is self-sharpening. It is a perfect gift for family and friends.
KEENBEST Actual Grit Premium Material Sharpening Stone Set
Upgrade your knives with the KEENBEST Actual Grit Premium Material Sharpening Stone Set. Made of superior silicon carbide, the 400 grit side repairs knives with big cutting edges while the 1000 grit makes knives smoother. The stone requires no oil, only water, and comes with a non-slip rubber base. It sharpens all kinds of knives and tools, including scissors and gardening tools. A quick user guide is included, making it a great household gift. The white corundum material is self-sharpening, improving work efficiency and reducing the need for frequent grinding wheel dressing.
KEENBEST Whetstone Set for Professional Knife Sharpening
The KEENBEST Whetstone Set is made with superior silicon carbide and includes two 7x2.2x1.1inch sharpening stones, quality bamboo base and non-slip rubber bases, flattening stone, angle guide for beginners, and a quick user guide. No oil is needed, just put the stone into water for 10-15 minutes before using. This grindstone made of white corundum is quicker in pulping and high in self-sharpening, making it compatible with all kinds of knives and tools, including Chef, Hunting, Pocket, Japanese, BBQ, and paring knives, as well as hatchets, axes, carving and gardening tools.
Frequently Asked Questions (FAQs)
1. How does self sharpening work?
With self-sharpening blades, that gradual dulling does not happen, it maintains it's like-new sharp edge through the life of the blade. Self-sharpening blades will also automatically fix any chips or nicks that may occur in the blade edge.
During our self sharpening stone research, we found 24 self sharpening stone products and shortlisted 3 quality products. We collected and analyzed 110,598 customer reviews through our big data system to write the self sharpening stones list. We found that most customers choose self sharpening stones with an average price of $28.99.
The self sharpening stones are available for purchase. We have researched hundreds of brands and picked the top brands of self sharpening stones, including CWINDY, KEENBEST. The seller of top 1 product has received honest feedback from 173 consumers with an average rating of 4.9.
Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.