Self Sharpening Knife Sets That Keep an Edge
The KitchenIQ 50009 Edge Grip is our top pick for most home cooks. It sharpens on every draw while you slice, and it holds a keen edge for weeks. Its main limitation is that it only sharpens straight edge knives, not serrated ones.
A self sharpening knife set puts an end to dull blades. Every time you pull a knife from its slot, the built in sharpener hones the edge. That means you get a consistently sharp blade without any extra work.
We compared popular sets from trusted brands. Some use tungsten steel sharpeners, others use ceramic rods. We focused on how well they maintain an edge, how comfortable they are to hold, and how they fit into your kitchen routine.
What we recommend
KitchenIQ 50009 Edge Grip Knife Sharpener
The KitchenIQ 50009 Edge Grip is a manual sharpener that you use on any knife. It has a non slip base and a comfortable grip. The carbide blades quickly restore a dull edge, and the ceramic rod hones for a fine finish. It works on straight edge knives and is compact enough to store in a drawer.
Pros
- Sharpens in a few pulls
- Non slip base for safety
- Compact for easy storage
Cons
- Not for serrated blades
- Removes more metal than some
KitchenIQ 50012 3 Stage Knife Sharpener
The KitchenIQ 50012 offers three stages: carbide for sharpening, ceramic for honing, and a leather strop for polishing. It works on straight edge knives and produces a razor sharp edge. The non slip base and comfortable handle make it easy to use. Owners say it keeps their knives in top condition with minimal effort.
Pros
- Produces a polished edge
- Sturdy and non slip
- Easy to use with one hand
Cons
- Not for serrated knives
- Requires a few more pulls
KitchenIQ 50016 2 Stage Knife Sharpener
The KitchenIQ 50016 is a two stage sharpener with carbide and ceramic slots. It is simple and effective, sharpening straight edge knives quickly. The compact design fits in any drawer. Users report that it restores dull knives without much effort, and the price is easy on the wallet.
Pros
- Affordable price
- Simple two step sharpening
- Non slip base
Cons
- Not as refined as three stage
- May need more passes
KitchenIQ 50009 Edge Grip Plus Knife Sharpener
The KitchenIQ 50009 Edge Grip Plus features an ergonomic handle that reduces hand fatigue. It has carbide and ceramic stages for sharpening and honing. The non slip base keeps it steady on the counter. Owners appreciate the comfortable grip and the ease of achieving a sharp edge.
Pros
- Comfortable grip
- Stable base
- Effective sharpening
Cons
- Not for serrated blades
- Plastic body may not feel premium
KitchenIQ 50012 3 Stage Knife Sharpener with Strop
The KitchenIQ 50012 3 Stage Knife Sharpener with Strop is a favorite among cooking enthusiasts. It includes a leather strop for final polishing, giving blades a razor edge. The sharpener is easy to use and produces consistent results. Owners say it keeps their high end knives in excellent condition.
Pros
- Leather strop for polish
- Produces razor sharp edges
- Durable construction
Cons
- Higher price than basic models
- Not for serrated knives
KitchenIQ 50009 Edge Grip Manual Knife Sharpener
The KitchenIQ 50009 Edge Grip Manual Knife Sharpener is compact and lightweight. It fits easily in a backpack or drawer. The carbide and ceramic slots work well on straight edge knives. While it lacks a strop, it still delivers a sharp edge. Owners find it handy for travel and camping.
Pros
- Portable and lightweight
- Simple to use
- Good for travel
Cons
- Small size may be less stable
- Not as refined as larger models
KitchenIQ 50012 Edge Grip 3 Stage Sharpener
The KitchenIQ 50012 Edge Grip 3 Stage Sharpener is built for regular use. It has a robust non slip base and a comfortable handle. The three stages provide a complete sharpening solution from carbide to strop. Owners appreciate the stability and the sharp edges it produces on their knives.
Pros
- Excellent stability
- Complete sharpening system
- Durable materials
Cons
- Bulky for small hands
- Price is higher than basic
What matters most
The lineup, side by side
| # | Model | Sharpening Material | Best for | Score | Price |
|---|---|---|---|---|---|
| 1 | KitchenIQ 50009 Edge Grip Knife Sharpener | Tungsten carbide and ceramic | Most home cooks who want a simple, effective sharpener | 9.4 | Check price |
| 2 | KitchenIQ 50012 3 Stage Knife Sharpener | 3 (carbide, ceramic, strop) | Those who want three sharpening stages for a polished edge | 9.2 | Check price |
| 3 | KitchenIQ 50016 2 Stage Knife Sharpener | 2 (carbide, ceramic) | Budget conscious cooks who need a reliable sharpener | 8.8 | Check price |
| 4 | KitchenIQ 50009 Edge Grip Plus Knife Sharpener | 2 (carbide, ceramic) | Home cooks who want a sharpener with a comfortable handle | 8.7 | Check price |
| 5 | KitchenIQ 50012 3 Stage Knife Sharpener with Strop | 3 (carbide, ceramic, strop) | Enthusiasts who want a professional edge at home | 9.0 | Check price |
| 6 | KitchenIQ 50009 Edge Grip Manual Knife Sharpener | 2 (carbide, ceramic) | Campers and outdoor cooks who need a portable sharpener | 8.5 | Check price |
| 7 | KitchenIQ 50012 Edge Grip 3 Stage Sharpener | 3 (carbide, ceramic, strop) | Those who want a sharpener with a secure grip for heavy use | 8.9 | Check price |
Common questions
How often should I sharpen my knives?
It depends on how often you cook. For regular home use, sharpening every few weeks is enough. If you use your knives daily, you may need to sharpen more frequently. Self sharpening blocks help maintain edge between manual sharpenings.
Can self sharpening knives cut through bones?
No, self sharpening knives are not designed for cutting bones or frozen foods. Doing so can damage the blade and the sharpening mechanism. Use a heavy cleaver for such tasks.
Are self sharpening knife blocks safe?
Yes, they are generally safe. The sharpeners are designed to avoid accidental cuts. However, always handle knives with care and keep them out of reach of children.
Do self sharpening knives require any special maintenance?
They require the same care as regular knives. Hand wash and dry them, store them in the block, and occasionally clean the sharpening slots. Avoid putting them in the dishwasher as harsh detergents can damage the blades and handles.
Can I sharpen serrated knives with a self sharpening block?
Most self sharpening blocks are not suitable for serrated knives. The sharpening rods are usually straight and cannot reach the serrations. Use a specialized serrated knife sharpener instead.
What is the difference between sharpening and honing?
Sharpening removes metal to create a new edge when the blade is dull. Honing realigns the edge without removing metal. Many self sharpening systems combine both to keep blades sharp longer.
How long does a self sharpening knife stay sharp?
With regular use, a self sharpening knife can stay sharp for several weeks. The built in sharpener maintains the edge, but eventually the blade will need a more thorough sharpening.
Are self sharpening knives worth it?
For many home cooks, yes. They save time and ensure you always have a sharp blade. However, they may not produce the same edge as a professional sharpening stone. Consider your cooking habits and preferences.
Can I use self sharpening knives on a steel?
You can, but it is usually unnecessary. The built in sharpener already hones the edge. If you prefer using a steel, do so occasionally, but be careful not to overdo it.
Final word
For most home kitchens, the KitchenIQ 50012 3 Stage Knife Sharpener with Strop is the best buy. It offers three stages to sharpen, hone, and polish, giving you a razor edge every time. If you are on a tight budget, the KitchenIQ 50016 2 Stage is a solid choice. But if you want the best performance and are willing to spend a little more, the 50012 is worth it. It stands out for its ability to maintain a professional edge with ease.
