---
title: "Tendon Hammer — £36K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/tendon-hammer"
last_updated: "2026-07-31T08:32:16.686Z"
locale: en
meta:
description: "Niche score 41/100 · £36K/yr market · 29K searches/yr · £10.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · £36K/yr market · 29K searches/yr · £10.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Tendon Hammer — £36K/yr Amazon UK Niche (2026) - Flapen"
---
# **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**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.1%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Great****260**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.3★**
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**
**Bad****90%**
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**
**Bad****90%**
top-5 click share — a locked-up shelf
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")
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 ~~](https://flapen.com/research/methodology)
## **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
[**Open Trend **](https://flapen.com/research/uk/diy-tools/tendon-hammer/trend)
## **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 moatMarket 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.
### **Top sellers**
by 90-day click share
[1**12-Inch Queen Square Reflex Hammer Tendon Patella Hammer with Point Large Head & Robust Handle (Black)**Valuemed**£8.38**4.5★134 rev](https://www.amazon.co.uk/dp/B0GM1NNNT5) [2**Primacare DH-3692 Taylor Neuro Hammer with Stealth Black Head Stainless Steel Percussion Reflex Hammers Doctor and Surgical Tools Medical Supplies for Surgeons and Nurses 7.5**Primacare**£4.48**4.4★896 rev](https://www.amazon.co.uk/dp/B00BLFN5QE) [3**MDF Instruments Reflex Hammer with pointed tip handle for cutaneous and superficial responses Queen Square. MDF54511**MDF Instruments**£17.53**4.6★1,022 rev](https://www.amazon.co.uk/dp/B002DW12NC) [4**Tendon Hammer Premium Patella Hammer Lightweight Reflex Testing Tool with Pointed Tip for Neurological Exams Doctors Nurses (18cm/7in)**BE-TOOL**£6.67**4.3★5 rev](https://www.amazon.co.uk/dp/B0FXXPQ4QM) [5**Reflex Hammer with Round Rubber Head Tendon Hammer for Neurological Reflex Testing Lightweight Medical Reflex Hammer Tool for Doctors Nurses and Medical Students**Piaeny**£8.31**0.0★0 rev](https://www.amazon.co.uk/dp/B0GS55D5D5)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Reflex Hammer Neurological Testing Instrument Tendon Hammer for Daily Examination Practical Assessment Tool for Learning and Training**suction**£8.47**0 rev2mo ago](https://www.amazon.co.uk/dp/B0H1WCW123) [**Reflex Hammer with Round Rubber Head Tendon Hammer for Neurological Reflex Testing Lightweight Medical Reflex Hammer Tool for Doctors Nurses and Medical Students**Piaeny**£8.31**0 rev4mo ago](https://www.amazon.co.uk/dp/B0GS55D5D5) [**Tendon Hammer Premium Patella Hammer Lightweight Reflex Testing Tool with Pointed Tip for Neurological Exams Doctors Nurses (18cm/7in)**BE-TOOL**£6.67**5 rev8mo ago](https://www.amazon.co.uk/dp/B0FXXPQ4QM) [**Tendon Reflex Hammer Square Reflex Hammer with Point Superficial Responses Muscle Diagnostic Tool for Adults Kids Doctors Nurses (18cm/7in)**SENRISE**£7.58**3 rev8mo ago](https://www.amazon.co.uk/dp/B0FXYXMSKN) [**Neurological Reflex Hammer 5PCS Neurological Hammer Set Stainless Steel Multifunctional Portable Reflex Hammer for Nervous System Exam**Walfront**£19.20**20 rev3y ago](https://www.amazon.co.uk/dp/B0BBPP23RZ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Reflex Hammer Neurological Testing Instrument Tendon Hammer for Daily Examination Practical Assessment Tool for Learning and Training**suction**£8.47**0.0★**▲ 125%**](https://www.amazon.co.uk/dp/B0H1WCW123) [**Reflex Hammer with Round Rubber Head Tendon Hammer for Neurological Reflex Testing Lightweight Medical Reflex Hammer Tool for Doctors Nurses and Medical Students**Piaeny**£8.31**0.0★**▲ 122%**](https://www.amazon.co.uk/dp/B0GS55D5D5) [**12-Inch Queen Square Reflex Hammer Tendon Patella Hammer with Point Large Head & Robust Handle (Black)**Valuemed**£8.38**4.5★**▲ 64%**](https://www.amazon.co.uk/dp/B0GM1NNNT5) [**Tendon Reflex Hammer Square Reflex Hammer with Point Superficial Responses Muscle Diagnostic Tool for Adults Kids Doctors Nurses (18cm/7in)**SENRISE**£7.58**3.7★**▼ 15%**](https://www.amazon.co.uk/dp/B0FXYXMSKN) [**Tendon Hammer Premium Patella Hammer Lightweight Reflex Testing Tool with Pointed Tip for Neurological Exams Doctors Nurses (18cm/7in)**BE-TOOL**£6.67**4.3★**▼ 17%**](https://www.amazon.co.uk/dp/B0FXXPQ4QM)
**~~View all trending →~~**
## **What buyers say about tendon hammer**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**42%
*“Good Quality”*
**Advertised Vs Actual Product**25%
*“As it says on the listing”*
**Strength**25%
*“Firm”*
### **What buyers complain about **
**Size-Overall**50%
*“A little bigger than I expected”*
### **Top return reasons **
**Size-Overall**50%
**Functionality-Overall**17%
**Advertised Vs Actual Product**17%
**Defective Material/Parts**17%
## **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.
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