deep hole marker
Worth a lookShows low returns (0.3%), but a small market ($57K/yr) keeps it on the watch list.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Conversion
Great9.7%search→purchase rate — share of searches ending in a sale
Competition
Great38%top-5 click share — an open shelf
Review moat
Good559.14avg incumbent reviews — the moat a new listing must climb
Brand share
Good68%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay£1.59–£22.84cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Bad£6.91avg 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
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.Top deep hole marker search terms
- long nib marker pen16K/yr
- tracer marker pen16K/yr
- deep hole marker16K/yr
- tracer pen12K/yr
- marking pen6K/yr
- long nib marker6K/yr
- tracer marker6K/yr
- deep hole marker pen4K/yr
- builders marker pens4K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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£5.764.6★51 rev

Tracer Long Nib Deep Hole Marker Pen Black Permanent Pack of 2
Tracer£8.474.2★160 rev

CHARLES BENTLEY Twin pack Marxman chalk NON-Permanent DIY Marking tool pen
CHARLES BENTLEY£8.804.6★1,961 rev

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£5.574.9★26 rev

Tracer Clog-Free Marker Kit Permanent Markers for Builders 3pk
Tracer£9.704.5★1,187 rev
Newest
by launch date
25PCS Long Nib Marker Pen Deep Hole Marker and Deep Hole Pencil Drafting
huoanpo£7.041 rev

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£8.5326 rev

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£5.5726 rev

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£5.236 rev

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£5.318 rev
Trending
90-day click momentum
25PCS Long Nib Marker Pen Deep Hole Marker and Deep Hole Pencil Drafting
huoanpo£7.045.0★

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£8.534.9★

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£3.794.4★

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£4.314.7★

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£5.233.9★
What buyers say about deep hole marker
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Easy to use”
“worth the money”
“Decent Markers”
“it performs exactly as it should”
“Great Marker”
“work well on paving”
“Easy to use and durable”
“Sturdy”
“Write well”
What buyers complain about
“Broke easily”
“This pencil is very poor quality”
“Extortionate price for poor performance”
“Doesn't work”
“just very leaky”
“Do not get it wet or damp won't work”
“thin line”
“Most of them are dry and don't work”
“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”
“Obviously its not fit for purpose in construction”
Top return reasons
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.