Skip to content
41

tendon hammer

Skip it

A concentrated shelf (top 5 take 90% of clicks) — this niche doesn't clear our bar today.

Market size 9Growth 16Conversion 95Competition 8Returns 99Price range 29Avg price 34Brand share 25Review moat 87Quality gap 70

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Conversion

Incredible12.1%

search→purchase rate — share of searches ending in a sale

Review moat

Great260

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Avg price

Okay£10.08

avg listing price — sweet spot $15–$100

Price range

Okay£4.48–£19.20

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Bad90%

top-5 brand share — brand-locked demand

Growth

Bad-18.6%

90-day search growth — must beat 0% to launch

Market size

Bad£36K

£36K/yr · 29K searches

Competition

Bad90%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United Kingdom niche tracking, tendon hammer is a £36K/yr Amazon United Kingdom market (29K searches/yr). The top 5 brands hold 90% of demand. Verdict: Skip it — 41/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

tendon hammer market data

Units sold / yr
4K–5K
avg 250–500/product
Revenue / yr
£40K–£50K
units × avg price
Conversion rate
12.1%
Avg BSR
#212
Page quality
0%
Prime
88%
Sponsored
88%
Out of stock
24.6%
Avg brand age
52 months
Avg seller age
252 days

Competition & brand share

The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 rising

Sellers

11

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

6%

  • Valuemed46%
  • Primacare18%
  • MDF Instruments14%
  • BE-TOOL7%
  • Piaeny5%
  • suction4%
  • Open — no brand owns it (2 brands, 6%)

Demand

Weekly Amazon search volume, last 11 weeks — -18.6% search growth over the last 90 days.
800600May '26May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26Jul '26Jul '26

Top tendon hammer products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%15%£5K30%£11K45%£16K60%£21K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

All 8 tracked products in this niche — three views at once, no toggling.

What buyers say about tendon hammer

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall42%

“Good Quality”

Advertised Vs Actual Product25%

“As it says on the listing”

Strength25%

“Firm”

What buyers complain about

Size-Overall50%

“A little bigger than I expected”

Top return reasons

Size-Overall50%
Functionality-Overall17%
Advertised Vs Actual Product17%
Defective Material/Parts17%

Common questions

Is tendon hammer profitable to sell on Amazon United Kingdom?
The niche generates £36K/yr across 8 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -18.6%. Flapen's verdict: Skip it (41/100).
How competitive is the tendon hammer niche?
8 brands and 11 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 90% of demand.
What do buyers complain about in tendon hammer?
Top complaints mined from reviews: Size-Overall. The return rate is 0.3%.
What does it cost to enter the tendon hammer niche?
Listings span £4.48–£19.20; the average listing price is £10.08 (sweet spot $15–$100). The average incumbent carries 260 reviews — the moat a new listing must climb.