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Spline Socket Set

Fail

Shoppers spend an estimated $52K a year here, so Spline Socket Set is a Fail.

Flapen Score
40
40 / 100
Ranks 1,848 of 2,225 DIY & Tools niches · −9 vs the category median of 49
Market size
£52K/yr54K searches / yr
90-day growth
-20.7%search demand this quarter
Competition
70%top-5 click share · 16 brands · 44 sellers

Flapen Score

Spline Socket Set against its category

The dotted line is the DIY & Tools average. Past it, Spline Socket Set is stronger. Inside it, weaker.

40Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Spline Socket Set market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Spline Socket Set 54K times last year and spent an estimated £52K. The top 5 brands take 71% of clicks. Flapen scores it 40 out of 100, a Fail.

01 · Demand

An estimated 7.5% of those searches ended in a purchase.

Shoppers searched for this 54K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 7.5% of those searches ended in a purchase. Searches in the last 90 days moved -20.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated £52K a year.

Searches, last 12 months
54K
Growth, 90 days vs prior 90
-20.7%
Conversion, latest week
7.5%
Market size, estimated
£52Ka year
Peak month
March1.6× the quietest month
Top search term
spline socket set27K searches a year

02 · Price

A sale here is worth £12.70.

Listings sell for £12.70 on average, from £7.43 to £22.35. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At £12.70 that is £1K to £3K a year per listing.

Average price
£12.70under the $15 to $100 sweet spot
Price range
£7.43–£22.35
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
3K–4K
Units per listing a year
100–250
Revenue per listing a year
£1K–£3K
Returns
1.5%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

82% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 4.3% of listings are out of stock. The average listing ranks #330 within Hand Tools. It carries 3,061 reviews at 4.58 stars, so a new listing needs social proof before a better product.

Sponsored listings
82%
Prime listings
100%
Out of stock, average day
4.3%
Average rank
#330in Hand Tools
Average rating
4.58 starsAmazon United Kingdom average 4.36 stars
Average reviews
3,061per listing
Listings tracked
17

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 55 months on average, so the names here are settling in.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
55 months

Products

Top Spline Socket Set products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 22, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 70% of clicks. Leaders hold, but buyers still shop past them.

£0£5K£10K£15K£21K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

16 falling

Sellers

44

Est. top-5 brand share

71%

Top 20: 100%

Est. top-5 click share

70%

Top 20: 100%

Open market

22%

  • US PRO INDUSTRIAL23%
  • LEXIVON17%
  • DAYUAN12%
  • Anesty10%
  • Qnkaa9%
  • Bergen8%

Demand

Spline Socket Set search demand

Weekly searches over the year, seasonality beneath. Pick a range.

2K1KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

Search terms

Top Spline Socket Set search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • spline socket set27K/yr
  • spline bit set10K/yr
  • multi spline socket set7K/yr
  • triple square socket set6K/yr
  • xzn socket set5K/yr

Reviews and returns

What reviews say buyers love and hate about Spline Socket Set

We read the reviews and the return reasons for every product selling here.

39%of positive reviews mention “Quality-Overall”
29%of negative reviews mention “Quality-Overall”
1.5%of orders come back
“I would say that the quality of these splined bits is mixed”
A buyer, on “Quality-Overall”29% of negative reviews mention the same topic

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.

15 topics

NegativePositive

FAQ

Common Spline Socket Set questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data