Chalk lines
Tajima Chalk reel, ChalkRite Mini UltraThin
The most expensive reel here, and its title is the entire published specification.
Specifications
- Published content
- The title, and nothing else. This listing carries NO bullet points and no description — four facts in total: the brand, the ChalkRite line, Mini, and UltraThin. Every other reel on this shelf publishes between four and eight bullets
- Stated dimension or range
- NOT PUBLISHED. No line length appears, where seven of the nine reels on this shelf state 30, 100 or 150 ft. "Mini" suggests a short line and does not say how short
- Functions
- NO GEAR RATIO. This shelf's introduction calls a geared rewind the whole ergonomic argument of this family, and Tajima publishes ratios on its other reels — the Jam Free model on this site states five gears. This one states nothing
- Also stated
- "UltraThin" is the one word on the page about the line, and on this shelf it is the interesting one: this shelf's introduction says a thinner line lays a crisper mark and a thicker one carries more chalk, and that NOT ONE maker here publishes a line diameter. UltraThin names the trade without measuring it
- Material
- Not published. No body material, no sealing organ, no hook arrangement and no chalk is stated
- Reference and mounting
- Reference CR802SFB. Tajima is an established Japanese layout-tool maker and the ChalkRite range is its chalk line family, so there is a real product behind the four words — which is the reason to ask rather than to dismiss
- Amazon reference
- B0F3LSV525
- EAN
- 0049296058982
What the maker puts in writing
- Tajima Chalk Line, ChalkRite Mini UltraThin
- Reference CR802SFB
And that is the entire listing. No bullet points. No description.
Four words, at the top of the price list
Tajima. ChalkRite. Mini. UltraThin.
Forty-nine dollars, which is the most expensive reel on this shelf — and every other reel
here publishes between four and eight bullets.
Three questions to settle before ordering: how long is the line, what is the gear
ratio, what is the case made of.
Tajima publishes all three on its other reels. The Jam Free model on this site
states five gears and a hundred feet.
UltraThin names the trade nobody measures
Which is why the word is worth a line here.
This shelf’s introduction: a thinner line lays a crisper mark; a thicker one carries
more chalk and survives more snaps — and not one maker on this shelf publishes a
line diameter, so the trade-off cannot be checked before buying.
UltraThin says which side of it this reel sits on, without a figure.
Fine interior work — a tile grid, a trim line, a scribe: that is the side you
want.
A hundred snaps on a roof: it is not.
A Mini lives in a pouch
Which is the other half of what the title says.
Seven reels on this shelf are a hundred feet or more. One is thirty.
A mini is the pocket end of that range, and the reel that is on you is the reel
that gets used.
Thin line, short run, indoors. That is a coherent tool.
How short, and how many strikes a thin line gives per pull, the page does not
say — and the reel at a fifth of the price on this shelf publishes both.
Availability
On sale at around 49 € on the American Amazon store at the time of checking.
Prices and availability are what Keepa reported on the date this page was updated; both move.
Prices quoted in this text were read on 8 October 2026. The live price is at the top of the page.
What gets asked here
Can I judge it from this page?
No, and that is the finding. The title gives four facts — Tajima, ChalkRite, Mini, UltraThin — and the listing carries no bullets and no description beneath them. Every other reel on this shelf publishes a line length and most publish a gear ratio, a body material and a fill arrangement. At forty-nine dollars, the most expensive reel here, three questions should be answered before ordering: how long is the line, what is the gear ratio, and what is the case made of. Tajima publishes all three on its other reels.
What does "UltraThin" tell you?
The one thing this shelf otherwise cannot check, and it is worth having even unmeasured. This shelf's introduction sets out the trade: a thinner line lays a crisper mark; a thicker one carries more chalk and survives more snaps — and then says that not one maker here publishes a line diameter, so the trade-off cannot be checked before buying. UltraThin at least names which side of it this reel sits on. For fine interior work — a tile grid, a trim line, a scribe — that is the side you want. For a hundred snaps on a roof it is not.
Why is a Mini reel worth anything?
Because a hundred-foot reel lives in a van and a mini reel lives in a pouch. Seven reels on this shelf are 100 ft or more and one is 30 ft; a mini is the pocket end of that range, and the reel that is on you is the reel that gets used. Paired with a thin line it describes a tool for finishing rather than layout: short runs, crisp marks, indoors. What the page does not say is how short, or how much the thin line costs in strikes per pull — which the reel at a fifth of the price on this shelf does publish.
