Chalk Line
MaybeReturns run at only 0.5% of orders. But the top 5 products take 73% of clicks, so Chalk Line is a Maybe.
- Flapen Score
- 52 / 100Top 33% of 2,225 DIY & Tools niches · +3 vs the category median of 4952
- Market size
- £220K/yr128K searches / yr
- 90-day growth
- -2.2%search demand this quarter
- Competition
- 73%top-5 click share · 10 brands · 81 sellers
Flapen Score
Chalk Line against its category
The dotted line is the DIY & Tools average. Past it, Chalk Line is stronger. Inside it, weaker.
Market
The Chalk Line market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Chalk Line 128K times last year and spent an estimated £220K. The top 5 brands take 86% of clicks. Flapen scores it 52 out of 100, a Maybe.
01 · Demand
13.2% of searches ended in a purchase last week.
Shoppers searched for this 128K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 13.2% of those searches ended in a purchase. Searches in the last 90 days moved -2.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £220K a year.
- Searches, last 12 months
- 128K
- Growth, 90 days vs prior 90
- -2.2%
- Conversion, latest week
- 13.2%
- Market size, estimated
- £220Ka year
- Peak month
- October1.6× the quietest month
- Top search term
- chalk line104K searches a year
02 · Price
A sale here is worth £13.00.
Listings sell for £13.00 on average, from £4.30 to £26.13. Amazon reports units sold in ranges. This niche sold 13K to 15K a year. The average listing sells 500 to 750 of them. At £13.00 that is £7K to £10K a year per listing.
- Average price
- £13.00under the $15 to $100 sweet spot
- Price range
- £4.30–£26.13
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 13K–15K
- Units per listing a year
- 500–750
- Revenue per listing a year
- £7K–£10K
- Returns
- 0.5%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
60% of listings pay for placement with sponsored ads. 87% ship with Prime. On an average day, 3.2% of listings are out of stock. The average listing ranks #271 within Measuring & Layout Tools. It carries 563 reviews at 4.33 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 60%
- Prime listings
- 87%
- Out of stock, average day
- 3.2%
- Average rank
- #271in Measuring & Layout Tools
- Average rating
- 4.33 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 563per listing
- Listings tracked
- 15
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 79 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 79 months
Products
Top Chalk Line products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
OX Trade 30m/100 ABS Chalk Reel w/Grip Value Pack - Standard Bold Line / 6:1 Gear Ratio
- Price
- £9.60
- Rating
- 4.4/5
- Reviews
- 260
- Age
- 1y ago

Tolsen Chalk Line Reel Set 30m (100ft) Heavy Duty Builders Chalk String Line Kit with Fast Rewind Reel and 115g Blue Marking Powder for Brick Timber and Floors
- Price
- £7.22
- Rating
- 4.3/5
- Reviews
- 957
- Age
- 6y ago

OX Pro Precision Chalk Reel Value Pack 50ft Kevlar Line 3:1 Fast Rewind
- Price
- £9.11
- Rating
- 4.4/5
- Reviews
- 319
- Age
- 1y ago

Milwaukee ELEC Tool 48-22-3986 Bold Line Chalk Reel
- Price
- £14.95
- Rating
- 4.6/5
- Reviews
- 861
- Age
- 9y ago

Amtech 2-Piece Chalk Line Kit 30 m Self-Chalking Reel with High-Visibility Powder Lightweight Aluminium Body for Fast Clean Marking
- Price
- £5.02
- Rating
- 3.9/5
- Reviews
- 124
- Age
- 15y ago
Trending
90-day click momentum
OX Pro Precision Chalk Reel Value Pack 50ft Kevlar Line 3:1 Fast Rewind
- Price
- £9.11
- Rating
- 4.4/5
- Reviews
- 319
- Age
- 1y ago

PRESCH Chalk Line 30m incl. red chalk (150 g) - Fast retraction thanks to 6:1 gearbox - Water repellent and durable - Robust line for precise marking
- Price
- £18.40
- Rating
- 4.6/5
- Reviews
- 182
- Age
- 1y ago

HAUTMEC Chalk Line Tool 30m Chalk Box with 6:1 Gear Ratio & Construction String Line Carpenter Tools for Framers Roofers and Deck Builders HT0108
- Price
- £10.24
- Rating
- 3.9/5
- Reviews
- 184
- Age
- 6y ago

Stanley STHT0-47244 Chalk Line-Set Multi-Colour 9 m
- Price
- £12.57
- Rating
- 4.5/5
- Reviews
- 1,114
- Age
- 12y ago

Amtech 2-Piece Chalk Line Kit 30 m Self-Chalking Reel with High-Visibility Powder Lightweight Aluminium Body for Fast Clean Marking
- Price
- £5.02
- Rating
- 3.9/5
- Reviews
- 124
- Age
- 15y ago
Newest
by launch date
PRESCH Chalk Line 30m incl. red chalk (150 g) - Fast retraction thanks to 6:1 gearbox - Water repellent and durable - Robust line for precise marking
- Price
- £18.40
- Rating
- 4.6/5
- Reviews
- 182
- Age
- 1y ago

OX Trade 30m/100 ABS Chalk Reel w/Grip Value Pack - Standard Bold Line / 6:1 Gear Ratio
- Price
- £9.60
- Rating
- 4.4/5
- Reviews
- 260
- Age
- 1y ago

OX Pro Precision Chalk Reel Value Pack 50ft Kevlar Line 3:1 Fast Rewind
- Price
- £9.11
- Rating
- 4.4/5
- Reviews
- 319
- Age
- 1y ago

OX Contractor 30m Chalk Reel Aluminium Housing 1:1 Fast Rewind
- Price
- £4.94
- Rating
- 3.6/5
- Reviews
- 87
- Age
- 1y ago

Maxi Chalk Line 30mtr Road/Roof Marking c/w 2No Chalk Flasks Yellow
- Price
- £25.75
- Rating
- 4.6/5
- Reviews
- 85
- Age
- 4y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 73% of clicks. A locked shelf that new listings rarely crack.
Brands
10 falling
Sellers
81
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
73%
Top 20: 100%
Open market
9%
- OX Tools43%
- Tolsen20%
- Milwaukee9%
- Amtech8%
- STANLEY6%
- Tajima5%
- Open — no brand owns it (4 brands, 9%)
Demand
Chalk Line search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.6×
Search terms
Top Chalk Line search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- chalk line104K/yr
- chalk line tool12K/yr
- chalk lines5K/yr
- chalk string line3K/yr
- chalkline3K/yr
Reviews and returns
What reviews say buyers love and hate about Chalk Line
What buyers praise, what they complain about and why they send it back, from the reviews.
Complain
Poor quality, plastic, has gaps, chalk comes out
Absolute rubbish
Poor quality
Broke first use
At one point I thought I might break it trying to get thr cap off
it completely fell apart
so pale in colour that you can't see it
says in the description that the chalk colour is white
a little frustrating at times
Quite messy getting the chalk into the device
Didnt get any instructions with this
Love
Fair product
The build quality is very good and the chalk provided adequate marking on tantalised wood and osb boards
Good quality
Easy to use
but its very easy to see
Very useful
works flawlessly
Works well
Works well if you load it well
Looks very strong
Seems robust and it definetly good value for money
Strong, visible lines –
Works as advertised
Does what says in the add
Return
0.5% Return rate 23% Fixable by listing
Poor quality, plastic, has gaps, chalk comes out
Absolute rubbish
Poor quality
a little frustrating at times
Quite messy getting the chalk into the device
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Chalk Line questions
Answered from the same tracked data.








