Whetstone
MaybeReturns run at only 0.6% of orders. But demand is soft, at -16.1% this quarter, so Whetstone is a Maybe.
- Flapen Score
- 54 / 100Top 24% of 2,225 DIY & Tools niches · +5 vs the category median of 4954
- Market size
- £388K/yr373K searches / yr
- 90-day growth
- -16.1%search demand this quarter
- Competition
- 53%top-5 click share · 18 brands · 25 sellers
Flapen Score
Whetstone against its category
The dotted line is the DIY & Tools average. Past it, Whetstone is stronger. Inside it, weaker.
Market
The Whetstone market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Whetstone 373K times last year and spent an estimated £388K. The top 5 brands take 73% of clicks. Demand peaks in Dec. Flapen scores it 54 out of 100, a Maybe.
01 · Demand
6.1% of searches ended in a purchase last week.
Shoppers searched for this 373K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 6.1% of those searches ended in a purchase. Searches in the last 90 days moved -16.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £388K a year.
- Searches, last 12 months
- 373K
- Growth, 90 days vs prior 90
- -16.1%
- Conversion, latest week
- 6.1%
- Market size, estimated
- £388Ka year
- Peak month
- December2.0× the quietest month
- Top search term
- sharpening stone93K searches a year
02 · Price
A sale here is worth £16.92.
Listings sell for £16.92 on average, from £3.32 to £48.12. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 750 to 1,000 of them. At £16.92 that is £13K to £17K a year per listing.
- Average price
- £16.92inside the $15 to $100 sweet spot
- Price range
- £3.32–£48.12
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 20K–25K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- £13K–£17K
- Returns
- 0.6%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
86% of listings pay for placement with sponsored ads. 95% ship with Prime. On an average day, 2.4% of listings are out of stock. The average listing ranks #18 within Hand Tools. It carries 3,043 reviews at 4.50 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 86%
- Prime listings
- 95%
- Out of stock, average day
- 2.4%
- Average rank
- #18in Hand Tools
- Average rating
- 4.50 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 3,043per listing
- Listings tracked
- 22
04 · Newcomers
Amazon counts 0 of last year's 1 launches as successful.
1 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 60 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 60 months
Products
Top Whetstone products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
KEENBEST Actual Grit Premium Material Sharpening Stone Set 400 1000 3000 8000 Whetstone Japanese Knife Sharpener Stone Wetstones for Sharpening Knives Wet Stone Red
- Price
- £17.58
- Rating
- 4.6/5
- Reviews
- 3,524
- Age
- 4y ago

Knife Sharpening Stone Kit - 1000/6000 Grit Japanese Whetstone Sharpener Set with Non-Slip Rubber Base Angle Guide Flattening Stone for Kitchen Knives Chisel Axe Scissors
- Price
- £10.16
- Rating
- 4.5/5
- Reviews
- 4,592
- Age
- 3y ago

SATC Sharpening Stones for Kitchen Knives 400 1000 3000 8000 Grit Whetstone Knife Sharpener with Non-Slip Wood Base Flattening Stone Angle Guide and Leather Strop
- Price
- £15.24
- Rating
- 4.4/5
- Reviews
- 1,666
- Age
- 2y ago

BGS Diy 8062 | Sharpening Stone | K 120/K 240
- Price
- £3.32
- Rating
- 4.6/5
- Reviews
- 362
- Age
- 17y ago

SHAN ZU Sharpening Stone Whetstone with Angle Guide Non-Slip Bamboo Base grit 1000/6000 Knife Sharpeners Professional 2-in-1 Wetstone
- Price
- £16.95
- Rating
- 4.6/5
- Reviews
- 15,661
- Age
- 8y ago
Trending
90-day click momentum
Dayacoco Knife Sharpening Stone Kit Premium 400 1000 3000 8000 Whetstone Knife Sharpener with Non-Slip Wood Base Angle Guide Flattening Stone Leather Strop for Sharpening Knives (8 Pcs)
- Price
- £12.18
- Rating
- 5.0/5
- Reviews
- 10
- Age
- 6mo ago

BGS Diy 8062 | Sharpening Stone | K 120/K 240
- Price
- £3.32
- Rating
- 4.6/5
- Reviews
- 362
- Age
- 17y ago

HEZHEN Double-Side Whetstone Extra Large Corundum Sharpening Stone Kit Professional Knife Sharpener Set 1000/5000 Grit with Non-Slip Acacia Wood Base/Flattening Stone/Angle Guide
- Price
- £48.12
- Rating
- 4.6/5
- Reviews
- 3
- Age
- 1y ago

IHIGOGOFA Sharpening Stone 230 mm (9) 180 Grit Oval Whetstone for Sharpening Knives Knife Sharpener Stone for Garden Tools Kitchen Knives Chisels Axes
- Price
- £5.98
- Rating
- 4.2/5
- Reviews
- 433
- Age
- 4y ago

Knife Sharpening Stone Kit - 1000/6000 Grit Japanese Whetstone Sharpener Set with Non-Slip Rubber Base Angle Guide Flattening Stone for Kitchen Knives Chisel Axe Scissors
- Price
- £10.16
- Rating
- 4.5/5
- Reviews
- 4,592
- Age
- 3y ago
Newest
by launch date
Dayacoco Knife Sharpening Stone Kit Premium 400 1000 3000 8000 Whetstone Knife Sharpener with Non-Slip Wood Base Angle Guide Flattening Stone Leather Strop for Sharpening Knives (8 Pcs)
- Price
- £12.18
- Rating
- 5.0/5
- Reviews
- 10
- Age
- 6mo ago

vuwo Knife Sharpening Stone Kit- Professional Knife Sharpener Dual Sided 400&1000 Grit Wet Stone Set with Non-Slip Rubber Base Whetstone for Kitchen
- Price
- £6.87
- Rating
- 4.4/5
- Reviews
- 1,121
- Age
- 1y ago

HEZHEN Double-Side Whetstone Extra Large Corundum Sharpening Stone Kit Professional Knife Sharpener Set 1000/5000 Grit with Non-Slip Acacia Wood Base/Flattening Stone/Angle Guide
- Price
- £48.12
- Rating
- 4.6/5
- Reviews
- 3
- Age
- 1y ago

RISEMART Knife Sharpening Stones Set Professional 400 1000 3000 8000 Grit Whetstone for Sharpening Knives with Flattening Stone Non-Slip Base Angle Guide (8 Pcs)
- Price
- £13.65
- Rating
- 4.3/5
- Reviews
- 325
- Age
- 2y ago

SATC Sharpening Stones for Kitchen Knives 400 1000 3000 8000 Grit Whetstone Knife Sharpener with Non-Slip Wood Base Flattening Stone Angle Guide and Leather Strop
- Price
- £15.24
- Rating
- 4.4/5
- Reviews
- 1,666
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 53% of clicks. Leaders hold, but buyers still shop past them.
Brands
18 falling
Sellers
25
Top-5 brand share
73%
Top 20: 100%
Top-5 click share
53%
Top 20: 99%
Open market
22%
- KEENBEST26%
- wucgea22%
- S SATC10%
- BGS Do it yourself9%
- SHAN ZU8%
- vuwo5%
Demand
Whetstone search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Dec · busiest ÷ quietest = 2.0×
Search terms
Top Whetstone search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- sharpening stone93K/yr
- whetstone76K/yr
- knife sharpener stone32K/yr
- whetstone knife sharpener32K/yr
- wet stone knife sharpener21K/yr
- knife sharpening stone21K/yr
- sharpening stones14K/yr
- sharpening stones for knives16K/yr
- wet stone11K/yr
- waterstones13K/yr
Reviews and returns
What reviews say buyers love and hate about Whetstone
What buyers praise, what they complain about and why they send it back, from the reviews.
Complain
low quality
so cheap for the quality
Cheap
Not fit for purpose
they are slightly loose
Smaller than expected
Simply does NOT sharpen at all
Wasn't very sharp out the box though which was underwhelming
like my knives have never been so sharp
The product dimensions are misleading
Not as described
more expensive 6000 grit stone which does not shed material
Too soft of a material
Love
Excellent product
Seems to be very well made
Great quality kit for the price
Very handy item that helps with sharp knives
Great for keeping my chef knives sharp
Super sharp knives
Good value for money
Fair price
Great value
Does the job
Exactly what I need
As described
Easy to use
Easy do use when I got the hang of it
Very handy
Return
0.6% Return rate 19% Fixable by listing
Simply does NOT sharpen at all
Wasn't very sharp out the box though which was underwhelming
like my knives have never been so sharp
low quality
so cheap for the quality
Cheap
Not fit for purpose
they are slightly loose
Smaller than expected
The product dimensions are misleading
Not as described
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Whetstone questions
Answered from the same tracked data.








