STAEDTLER triplus fineliner 334 — 10 Triangular 0.3 mm Fineliners in a Stand-Up Box
10 coloursSuperfine 0.3 mmTriangular barrelDRY SAFE
The STAEDTLER triplus fineliner 334 SB10 is a stand-up STAEDTLER box of ten triangular fineliners in assorted colours with a superfine, metal-clad 0.3 mm tip, made for students, planners, designers and office users who write, colour-code and sketch with precise, even lines.
The ergonomic triangular barrel makes long writing sessions more relaxed, and the metal-clad tip stays precise when used with rulers and templates. DRY SAFE ink lets the pens stay uncapped for days without drying out (neon colours excepted). The water-based ink washes out of most textiles, the pens are airplane-safe, and the housing is made from 97% recycled plastic in Germany. The box opens into a desk stand.
Before you order: This is the STAEDTLER box (SB10). The same ten fineliners also come in a cardboard box (334 C10) — same pens, different packaging.
What's in the Box
- 10 x STAEDTLER triplus fineliner 334: bright yellow, red, magenta, antique pink, azure, ultramarine blue, green, willow green, lilac, black
- STAEDTLER stand-up box that converts into a pen holder
What It Means in Practice
- Colour-code notes, calendars and bullet journals with fine, consistent 0.3 mm lines.
- Metal-clad tip works with rulers and stencils for diagrams and technical sketches.
- DRY SAFE means a pen forgotten open on the desk still writes.
- Water-based ink washes out of most clothing — practical for school use.
What Will Not Work
- Not permanent — not for labelling plastic, glass or metal (use Lumocolor 313).
- Not for whiteboards.
- Not a bold marker for headlines; the line is superfine.
- Not for document-proof signatures where permanent ink is required.
Key Features
Superfine 0.3 mm
Metal-clad tip for precise lines.
Triangular barrel
Ergonomic and relaxed writing.
DRY SAFE
Can be left uncapped for days (except neon).
Mix & Match
Combine with STAEDTLER triplus model 323.
Technical Specifications
| Identification |
| Part Number |
334 SB10 |
| EAN / GTIN |
4007817334010 |
| Brand |
STAEDTLER |
| Product |
| Series |
triplus fineliner 334 |
| Type |
Triangular fineliner |
| Line width |
Approx. 0.3 mm |
| Tip |
Superfine, metal-clad |
| Colours |
bright yellow, red, magenta, antique pink, azure, ultramarine blue, green, willow green, lilac, black |
| Quantity |
10 fineliners |
| Packaging |
STAEDTLER box (stand-up) |
| Features |
| Ink |
Water-based; washes out of most textiles |
| DRY SAFE |
Yes (except neon colours) |
| Other |
Airplane-safe; Mix & Match with model 323 |
| Barrel |
PP, 97% recycled plastic |
| Country of origin |
Germany |
| Warranty |
| Warranty |
1-Year Warranty (Singular) |
| Manufacturer Term |
Manufacturer does not publish a warranty term — claims handled through Singular |
Frequently Asked Questions
Will the ink come out of clothes?
STAEDTLER states the water-based ink washes out of most textiles.
Can I use them with a ruler?
Yes — the metal-clad tip is designed to stay precise along rulers and templates.
What is the difference between 334 SB10 and 334 C10?
Same ten fineliners; SB10 comes in the STAEDTLER stand-up box, C10 in a cardboard box.
Singular Expert Insight · Buyer's Guide
A 0.3 mm fineliner is the sweet spot for neat handwriting, colour-coded planners and quick diagrams. The triplus combines that with a triangular grip and DRY SAFE ink, so it survives being left open on a busy desk. Pair it with an Optik Paper notebook from our
stationery range.
✓ Buy it if you want precise, colourful 0.3 mm fineliners for writing, planning and sketching.
✕ Skip it if you need permanent ink, bold lines or whiteboard pens.
→ Also consider the Oxford Smart Black A5 notebooks, or Paper Mate Flair for bolder colour lines.
Buying for a class or design team? Tell us the quantity and colours and we will check the right triplus pack.