Flattening Stone
FailShoppers spend only $70K a year here, so Flattening Stone is a Fail.
- Flapen Score
- 48 / 100Ranks 4,568 of 9,536 Tools & Home Improvement niches · on the category median48
- Market size
- $70K/yr39K searches / yr
- 90-day growth
- -12.2%search demand this quarter
- Competition
- 71%top-5 click share · 16 brands · 46 sellers
Flapen Score
Flattening Stone against its category
The dotted line is the Tools & Home Improvement average. Past it, Flattening Stone is stronger. Inside it, weaker.
Market
The Flattening Stone market on Amazon at a glance
Shoppers on Amazon United States searched for Flattening Stone 39K times last year and spent an estimated $70K. The top 5 brands take 73% of clicks. Demand peaks in Jan–May–Dec. Flapen scores it 48 out of 100, a Fail.
01 · Demand
6.3% of searches ended in a purchase last week.
Shoppers searched for this 39K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. In the latest week, 6.3% of those searches ended in a purchase. Searches in the last 90 days moved -12.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $70K a year.
- Searches, last 12 months
- 39K
- Growth, 90 days vs prior 90
- -12.2%
- Conversion, latest week
- 6.3%
- Market size, estimated
- $70Ka year
- Peak month
- January1.6× the quietest month
- Top search term
- flattening stone26K searches a year
02 · Price
A sale here is worth $27.99.
Listings sell for $27.99 on average, from $9.88 to $95.41. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 100 to 250 of them. At $27.99 that is $3K to $7K a year per listing.
- Average price
- $27.99inside the $15 to $100 sweet spot
- Price range
- $9.88–$95.41
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $3K–$7K
- Returns
- 1.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
88% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 4.0% of listings are out of stock. The average listing ranks #275 within Sharpening Stones. It carries 1,170 reviews at 4.44 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 88%
- Prime listings
- 100%
- Out of stock, average day
- 4.0%
- Average rank
- #275in Sharpening Stones
- Average rating
- 4.44 starsAmazon United States average 4.42 stars
- Average reviews
- 1,170per listing
- Listings tracked
- 17
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 69 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 69 months
Products
Top Flattening Stone 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
Sharp Pebble Flattening Stone - Dual Grit 120/320 Whetstone Flattener
- Price
- $28.54
- Rating
- 4.3/5
- Reviews
- 1,558
- Age
- 6y ago

WOCHOLL Flattening Stone with Grooves and Grit Grooves for Re Levelling Any Whet stones Oil Stones Waterstones (7.1x2.4x1in)
- Price
- $13.92
- Rating
- 4.3/5
- Reviews
- 149
- Age
- 5y ago

Naniwa Straightening Stone IO-1142 Grit 220
- Price
- $22.59
- Rating
- 4.6/5
- Reviews
- 726
- Age
- 13y ago

Angerstone Dual Grit Coarse/Fine Flattening Stone Set - Two Sharpening Stones Flattener - Whetstone Fixer with Grooves for Re-Levelling Any Whet stones Oil Stones Waterstones
- Price
- $15.56
- Rating
- 4.3/5
- Reviews
- 380
- Age
- 6y ago

SHARPAL 145H 10 x 4 Inch Diamond Lapping Plate Whetstone Flattener
- Price
- $95.41
- Rating
- 4.6/5
- Reviews
- 177
- Age
- 3y ago
Trending
90-day click momentum
Flattening Stone for Re-Leveling Sharpening Stones or Waterstones Re-Level Whetstone Fixer Tool Grinding Stone Black
- Price
- $13.48
- Rating
- 4.5/5
- Reviews
- 122
- Age
- 6y ago

Trend 8 Diamond Sharpening & Flattening Stone Double Sided (180/600 Grit)
- Price
- $40.17
- Rating
- 4.2/5
- Reviews
- 105
- Age
- 8y ago

Shun Leveling Stone
- Price
- $37.13
- Rating
- 4.7/5
- Reviews
- 12
- Age
- 5y ago

WOCHOLL Flattening Stone with Grooves and Grit Grooves for Re Levelling Any Whet stones Oil Stones Waterstones (7.1x2.4x1in)
- Price
- $13.92
- Rating
- 4.3/5
- Reviews
- 149
- Age
- 5y ago

Naniwa QA-0160 Whetstone for Refacing (Grooved)
- Price
- $23.14
- Rating
- 3.9/5
- Reviews
- 696
- Age
- 13y ago
Newest
by launch date
POWERTEC Large Flattening Stone 120/320 Dual Grit Sharpening Stone Flatener Diamond Grooves Sharpening Stone Fixer for Whetstone Wet stone Waterstone Oil Stone (72124)
- Price
- $21.62
- Rating
- 4.1/5
- Reviews
- 141
- Age
- 1y ago

Whetstone Flattening Stone. Sharpening Tool for Re-leveling Waterstones Whetstones Oil Stones | Extra Coarse #100 Grit Fixer Flattener Sharpener.
- Price
- $9.88
- Rating
- 4.8/5
- Reviews
- 15
- Age
- 1y ago

SHARPAL 145H 10 x 4 Inch Diamond Lapping Plate Whetstone Flattener
- Price
- $95.41
- Rating
- 4.6/5
- Reviews
- 177
- Age
- 3y ago

Amazon Basics Whetstone Knife Sharpening Stone Set Double-sided 400/1000 and 3000/8000 Grit Stones Flattening Stone with Angle Guide Non-Slip Bamboo Base 3 Count Black & Grey
- Price
- $25.47
- Rating
- 4.6/5
- Reviews
- 1,429
- Age
- 4y ago

HMPLL Knife Sharpening Stone Set Professional Whetstone 4 Side Grit 400/1000 3000/8000 Whetstone Knife Sharpener Stone Set Include Non-slip Base Leather Strop Flattening Stone & Angle Guide
- Price
- $22.72
- Rating
- 4.6/5
- Reviews
- 3,854
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 71% of clicks. A locked shelf that new listings rarely crack.
Brands
16 flat
Sellers
46
Top-5 brand share
73%
Top 20: 100%
Top-5 click share
71%
Top 20: 100%
Open market
23%
- Sharp Pebble25%
- WOCHOLL20%
- Naniwa17%
- Angerstone6%
- SHARPAL4%
- Intelitopia4%
Demand
Flattening Stone search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, May, Dec · busiest ÷ quietest = 1.6×
Search terms
Top Flattening Stone search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- flattening stone26K/yr
- whetstone flattening stone7K/yr
- whetstone flattener3K/yr
- truing stone4K/yr
Reviews and returns
What reviews say buyers love and hate about Flattening Stone
We read the reviews and the return reasons for every product selling here.
“Cheaply made”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
14 topics
Keep looking
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Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Flattening Stone questions
Answered from the same tracked data.









