---
title: "Deep Hole Marker — £57K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/deep-hole-marker"
last_updated: "2026-07-31T09:17:49.743Z"
locale: en
meta:
description: "Niche score 51/100 · £57K/yr market · 86K searches/yr · £6.91 avg price. A small market ($57K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · £57K/yr market · 86K searches/yr · £6.91 avg price. A small market ($57K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Deep Hole Marker — £57K/yr Amazon UK Niche (2026) - Flapen"
---
# **deep hole marker**
**Worth a look**
Shows low returns (0.3%), but a small market ($57K/yr) keeps it on the watch list.
Market size 14Growth 15Conversion 86Competition 77Returns 99Price range 37Avg price 19Brand share 62Review moat 74Quality gap 43
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****9.7%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Great****38%**
top-5 click share — an open shelf
**Review moat**
**Good****559.14**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****68%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****£1.59–£22.84**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Bad****£6.91**
avg listing price — sweet spot $15–$100
**Growth**
**Bad****-20.1%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£57K**
£57K/yr · 86K searches
According to Flapen's Amazon United Kingdom niche tracking, deep hole marker is a £57K/yr Amazon United Kingdom market (86K searches/yr). The top 5 brands hold 68% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **deep hole marker market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **£41K–£55K**
- units × avg price
- **Conversion rate**
- **9.7%**
- **Avg BSR**
- **#133**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **88%**
- **Out of stock**
- **3.5%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.
**Brands**
**24 **▲rising
**Sellers**
**93**
**Top-5 brand share**
**68%**
Top 20: 97%
**Top-5 click share**
**38%**
Top 20: 82%
**Open market**
**29%**
- Tracer34% - YLYDMY18% - CHARLES BENTLEY6% - Jeeshvan5% - nuneoeuo4% - Marxman4%
## **Demand**
Weekly Amazon search volume, last 38 weeks — -20.1% search growth over the last 90 days.
2K2KNov '25Dec '25Jan '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/uk/diy-tools/deep-hole-marker/trend)
## **Top deep hole marker search terms**
- **long nib marker pen**16K/yr-12.9%10.7% conv. - **tracer marker pen**16K/yr-13.6%7.1% conv. - **deep hole marker**16K/yr-29.3%4.8% conv. - **tracer pen**12K/yr-29.1%6.3% conv. - **marking pen**6K/yr-15.6%4.6% conv. - **long nib marker**6K/yr-24.8%9.4% conv. - **tracer marker**6K/yr-30.2%6.9% conv. - **deep hole marker pen**4K/yr+0.0%7.5% conv. - **builders marker pens**4K/yr-14.9%8.6% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/deep-hole-marker/search-terms)
## **Top deep hole marker 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%3%£2K6%£3K9%£5K12%£7K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**YLYDMY 10 Pieces Deep Hole Marker Pens 20 mm Long Head Deep Hole Marker Pen Woodworking Markers Marking Tool for Permanent Marking of Hard To Reach Areas**YLYDMY**£5.76**4.6★51 rev](https://www.amazon.co.uk/dp/B0DDXXNQWH) [2**Tracer Long Nib Deep Hole Marker Pen Black Permanent Pack of 2**Tracer**£8.47**4.2★160 rev](https://www.amazon.co.uk/dp/B0CYM11SRN) [3**CHARLES BENTLEY Twin pack Marxman chalk NON-Permanent DIY Marking tool pen**CHARLES BENTLEY**£8.80**4.6★1,961 rev](https://www.amazon.co.uk/dp/B0892DZYMX) [4**YLYDMY 9 Pieces Deep Hole Marker Pens Woodworking Markers 20 mm Long Head Deep Hole Marker Pen Marking Tool for Permanent Marking of Hard To Reach Areas**YLYDMY**£5.57**4.9★26 rev](https://www.amazon.co.uk/dp/B0GDXD4YMM) [5**Tracer Clog-Free Marker Kit Permanent Markers for Builders 3pk**Tracer**£9.70**4.5★1,187 rev](https://www.amazon.co.uk/dp/B089QWXJFF)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**25PCS Long Nib Marker Pen Deep Hole Marker and Deep Hole Pencil Drafting**huoanpo**£7.04**1 rev3mo ago](https://www.amazon.co.uk/dp/B0GX4VQXYG) [**YLYDMY 18 Pieces Deep Hole Marker Pens Woodworking Markers 20 mm Long Head Deep Hole Marker Pen Marking Tool for Permanent Marking of Hard To Reach Areas**YLYDMY**£8.53**26 rev3mo ago](https://www.amazon.co.uk/dp/B0GTV617TG) [**YLYDMY 9 Pieces Deep Hole Marker Pens Woodworking Markers 20 mm Long Head Deep Hole Marker Pen Marking Tool for Permanent Marking of Hard To Reach Areas**YLYDMY**£5.57**26 rev6mo ago](https://www.amazon.co.uk/dp/B0GDXD4YMM) [**16PCS Long Nib Mark Pen Deep Hole Marks Multi-Purpose Mark Pen Multicolored Durable Marking Tool for Carpenters Builders Construction (Black/Blue/Red/Green)**nuneoeuo**£5.23**6 rev7mo ago](https://www.amazon.co.uk/dp/B0G5Z3LRHF) [**10 Pcs Long Head Deep Hole Marker Quick Dry Waterproof Carpenter Pen 20mm Long Nib Marker Construction Markers Marking Tool Permanent Metal Pen Markers for Woodworking Hardware Decoration Office Art**Ptwola**£5.31**8 rev7mo ago](https://www.amazon.co.uk/dp/B0G4WD7WQ5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**25PCS Long Nib Marker Pen Deep Hole Marker and Deep Hole Pencil Drafting**huoanpo**£7.04**5.0★**▲ 304%**](https://www.amazon.co.uk/dp/B0GX4VQXYG) [**YLYDMY 18 Pieces Deep Hole Marker Pens Woodworking Markers 20 mm Long Head Deep Hole Marker Pen Marking Tool for Permanent Marking of Hard To Reach Areas**YLYDMY**£8.53**4.9★**▲ 303%**](https://www.amazon.co.uk/dp/B0GTV617TG) [**KATIMI 15 Pieces Deep Hole Marker Pens 20 mm Long Head Deep Hole Marker Pen Black Red Blue Woodworking Markers Multi-Purpose Marking Tool for Permanent Marking of Hard To Reach Areas**KATIMI**£3.79**4.4★**▲ 276%**](https://www.amazon.co.uk/dp/B0DD3B8YN4) [**5PCS Long Nib Marker Pens Deep Reach Markers Long Head Deep Hole Marker Pens Waterproof Deep Access Markers Quick Dry Colorful Carpenter Pen 45mm Permanent Pen Carpenter Ink Marker Pen Black**Nebulith**£4.31**4.7★**▲ 179%**](https://www.amazon.co.uk/dp/B0G4LP1Y4V) [**16PCS Long Nib Mark Pen Deep Hole Marks Multi-Purpose Mark Pen Multicolored Durable Marking Tool for Carpenters Builders Construction (Black/Blue/Red/Green)**nuneoeuo**£5.23**3.9★**▲ 171%**](https://www.amazon.co.uk/dp/B0G5Z3LRHF)
**~~View all trending →~~**
## **What buyers say about deep hole marker**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Excellent product”*
**Ease Of Use**18%
*“Easy to use”*
**Value For Money**12%
*“worth the money”*
**Pen/Pencil Quality**6%
*“Decent Markers”*
**Advertised Vs Actual Product**5%
*“it performs exactly as it should”*
**Drawing Experience**4%
*“Great Marker”*
**Efficiency**4%
*“work well on paving”*
**Durability**3%
*“Easy to use and durable”*
**Strength**3%
*“Sturdy”*
**Writing Experience**3%
*“Write well”*
### **What buyers complain about **
**Durability**22%
*“Broke easily”*
**Quality-Overall**13%
*“This pencil is very poor quality”*
**Value For Money**8%
*“Extortionate price for poor performance”*
**Functionality-Overall**5%
*“Doesn't work”*
**Leak-Proof**4%
*“just very leaky”*
**Moist/Dry**4%
*“Do not get it wet or damp won't work”*
**Thickness**4%
*“thin line”*
**Dry/Empty Ink**3%
*“Most of them are dry and don't work”*
**Sliding/Retract Mechanism**2%
*“Paid a premium to get something good retracts when trying to use is useless have to mess with the button pulling it back just enough so it actually dispenses lead pathetic”*
**Unsustainable Design**2%
*“Obviously its not fit for purpose in construction”*
### **Top return reasons **
**Functionality-Overall**30%
**Defective Material/Parts**12%
**Mechanism Issues**6%
**Touch/Button Controls**5%
**Durability**4%
**Value For Money**4%
**Grip**3%
**Advertised Vs Actual Product**3%
**Leak-Proof**3%
**Size-Overall**3%
## **Common questions**
- **Is deep hole marker profitable to sell on Amazon United Kingdom?**
- The niche generates £57K/yr across 42 tracked products. 1 of 20 products launched in the last 360 days are still selling. 90-day search growth is -20.1%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the deep hole marker niche?**
- 24 brands and 93 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 68% of demand.
- **What do buyers complain about in deep hole marker?**
- Top complaints mined from reviews: Durability, Quality-Overall, Value For Money. The return rate is 0.3%.
- **What does it cost to enter the deep hole marker niche?**
- Listings span £1.59–£22.84; the average listing price is £6.91 (sweet spot $15–$100). The average incumbent carries 559 reviews — the moat a new listing must climb.
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