will they smudge if used on Architects tracing paper which is very similar to modern day greaseproof paper (not the old tissue style paper)

Just tried it on a piece of grease proof paper and the pen doesn't smudge. I put some lines on the paper and smudged it with my finger and it was alright so should be fine for you.

What size are these? Are these like the mini version or the normal size pen?

These are normal sized pens but with a fine nib, like the mini ones! Hope that makes sense?

Do they come with the box shown

yes but note that the box is not a hard plastic box but cardboard so not sure of its durability. May need to buy a replacement storage case in the long term.

Hi, I have the pack of 42. Does anybody know what the extra 8 colours are in the tin of 50? Thanks :)

Hi :) Here are the numbers of the colours listed on the back of the tin of 50: 10, 1, 110, 43, 2x 430, 4, 24, 2, 48, 29, 222, 20, 23, 61, 21, 62, 6, 260, 69, 36, 63, 30, 37, 3, 34, 54, 550, 53, 5, 52, 51, 38, 55, 57, 16, 7, 73, 76, 77, 82, 8, 2x 9, 101, 401, 201, 221, 501 301. So they give you two of 430 and two of 9, hope this helps!

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STAEDTLER Fineliner Pens - Triplus - for Adult Colouring - 4 Assorted Colours - Pack of 4, 334 SB4

Product ID: 49373379

Details

Age range (description)
Adult
Brand
STAEDTLER
Colour
Assorted
Ink colour
Assorted
Material
Recycled (rPP)
Model name
334 SB4

💧Dry safe ink - uncapped days

♻️97% recycled plastic body

✍️0.3mm superfine metal-clad tip

€ 12.12

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

♻️✍️ Write Boldly, Color Consciously!

STAY READY ALWAYS - Dry safe technology lets you leave pens uncapped for days without drying out.
ECO CHIC CREATIVITY - Crafted from 97% recycled polypropylene, combining sustainability with style.
VIBRANT VERSATILITY - Pack of 4 assorted water-based ink colors that wash out easily from most textiles.
AMBIDEXTROUS EXCELLENCE - Designed for both left and right-handed users, perfect for every creative pro.
PRECISION MEETS COMFORT - Ergonomic triangular design for relaxed, fatigue-free writing and coloring.

STAEDTLER Triplus Fineliner Pens offer superfine 0.3mm metal-clad tips housed in an ergonomic triangular body made from 97% recycled plastic. Featuring dry safe water-based ink that resists drying out even when left uncapped for days, this pack of 4 assorted colors is perfect for adult coloring, note-taking, and professional writing, supporting both left and right-handed users with vibrant, washable ink.

Specifications

ASIN	B000KN2ECY
Age Range Description	Adult
Best Sellers Rank	8,255 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 61 in Fineliners
Body Shape	Triangular
Brand Name	STAEDTLER
Colour	Assorted Colours
Customer Reviews	4.6 4.6 out of 5 stars (1,524)
Drill Point	Fine
Global Trade Identification Number	04007817334140
Grip Type	triangular
Included Components	4 fineliners
Ink Base	Water
Ink Colour	Assorted Colours
Is the Product Left or Right Handed?	Ambidextrous
Item Dimensions	17 x 4.5 x 1.7 centimetres
Item Type Name	pens
Item Weight	0.01 Grams
Line Size	0.3mm
Manufacturer	Staedtler
Material Type	Recycled Polypropylene (rPP)
Model Name	334 SB4
Model Number	334 SB4 ST
Pattern	Assorted
Recommended Uses For Product	Colouring, Note Taking, Writing
Special Features	Ergonomic
Style	Desktop Box
Theme	Writing
Unit Count	1.0 count
Water Resistance Level	Not Water Resistant
Writing Instrument Form	Technical Pen
Writing Technique	felt_tip

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