Rank #3 in Best Knife Sharpener 2026: The Grit Field Holds a Word
Smart Sharp Knife Sharpener 3-Stage with Ceramic and Carbide Slots
Price and rating as shown on Amazon when we collected them. Both change.
The Smart Sharp 3-stage costs £12.99 and is rated 4.5 stars from 24,187 ratings, with carbide and ceramic slots in one body.
It takes third because the sample is the second largest here and the design is complete, while its grit field states one grade out of three and its part number says Does not apply.
How those 24,187 ratings break down
An average hides its own shape. This is the spread behind the 4.5 stars.
Specification
Exactly as published on the Amazon listing, field for field.
| Grit as listed | Coarse |
|---|---|
| Part number as listed | Does not apply |
| Materials | Ceramic and tungsten carbide |
| Dimensions | 7.5 x 4.5 x 2 cm |
| Item weight | 185 g |
| Ratings | 4.5 from 24,187 |
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“Worked really well , i have nice sharpened knives now”
Verified purchase“Easy to use and leaves knives very sharp. Pleased with the purchase”
What it is up against
The rivals it was ranked against in Best Knife Sharpener 2026: The Grit Field Holds a Word.
Questions people ask
How many stages?
Three: coarse carbide, then medium and fine ceramic.
Why does the grit field say Coarse?
Because it was filled with one option instead of three.
Does it work for left-handed users?
Yes, the handle is described as suitable for either hand.
Does it need water or oil?
No: this is a pull-through sharpener, not a stone.
Why is it third?
Because the tool is good and well reviewed, but its own fields are careless.
How many ratings does it have?
24187 at the time of collection, averaging 4.5 stars, with 70 per cent five-star and 2 per cent one-star.
Comments
Reader comments are not checked against the manufacturer's claims above.
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