Would this be an appropriate permanent marker for marking grid lines on a white needlepoint canvas?

Never tried it on canvas, we buy these pens to write on glass slides in the lab. They are very fine. And definitely permanent nothing takes it out of clothes when you accidently get a mark on cotton , does not come out with water soap, alcohol makes mark bleed out in fabric . Hope this helps a little.

How many Millimeters is this pen?

The actual tip size is not listed in the pen's specs, but it is very similar to the Pilot Razor point pens, which has a fiber tip size of 0.3mm., surrounded by a 0.5mm plastic tip collar. The Pilot Extra fine point lacks the plastic collar, but the tip sizes of both pens look identical. So, go with 0.3mm, with a max size of 0.5mm.

can the pen marks be wiped off glass slides using ethanol?

YES. Alcohol swabs will erase these marks. Older marks need slightly more time, but clears completely.

What is the base for the ink?

So this is what I've gathered, it contains no xylene. It's waterproof on most surfaces. Amazon categorized this pen as gel pen but other sites push this pen as just a liquid ink. On the pilot site and office depot the specs aren't that much more detailed for artistic use. But going over the reviews most can say that this is one of the better permanent pens out there. I agree it's color is bold and very easy to use on most paper. I haven't noticed any bleed through on Moleskin Journals. But I have not tried any other type of paper yet. Hope this helps.

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Extra Fine Point Permanent Markers, Marker Pens, Black Ink, 12-Pack

Product ID: 18884527

Details

Brand
PILOT
Ink Color
Black
Number of Items
1
Point Type
Extra Fine
Recommended Uses For Product
Writing

💧Quick-dry, waterproof ink

🖊️0.5mm extra fine tip for precision

🛡️Xylene-free, non-toxic formula

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Description

🖋️ Mark your mark with precision and permanence!

SAFE CLEAN - Xylene-free, alcohol-based ink ensures a non-toxic, smudge-free experience.
VERSATILE USE - Perfect for office, school, crafts, and labeling—your all-in-one marker solution.
PINPOINT PRECISION - Extra fine 0.5mm tip delivers crisp, detailed lines for professional results every time.
CLIP ON CONVENIENCE - Secure cap with clip keeps your markers handy and prevents drying out.
PERMANENT WATERPROOF - Fade-resistant ink that stands the test of time on most surfaces, from paper to plastic.

Pilot Extra Fine Point Permanent Markers come in a 12-pack of black ink pens featuring a 0.5mm tip for ultra-precise writing. Their quick-drying, waterproof, and xylene-free ink ensures long-lasting, smudge-proof marks on most surfaces, making them ideal for professional, educational, and creative use.

Specifications

ASIN	B00079YOSS
Additional Features	Erasable
Age Range Description	3 years and up
Best Sellers Rank	#25,831 in Office Products ( See Top 100 in Office Products ) #258 in Permanent Markers & Marker Pens
Body Shape	Round
Brand Name	PILOT
Color	Black
Customer Reviews	4.7 4.7 out of 5 stars (661)
Global Trade Identification Number	00072838441027
Hand Orientation	Ambidextrous
Included Components	12 Permanent Markers
Ink Base	Alcohol
Ink Color	Black
Is Waterproof	True
Item Dimensions	3 x 1 x 5.6 inches
Item Weight	3.68 ounces
Line Size	0.5
Manufacturer	Pilot Pen Corporation of America
Manufacturer Part Number	44102
Marker Type	Permanent Marker
Material Type	Gel
Model Number	44102
Number of Items	1
Number of Pieces	12
Package Size Name	12-Pack
Pattern	Solid
Point Type	Extra Fine
Recommended Uses For Product	Writing
Style	Fine,Permanent
Surface Recommendation	Whiteboard
Target Audience	Adult, Kid, Youth
Theme	writing
UPC	072838441027
Unit Count	12 Count
Warranty Description	see packaging
Water Resistance Level	Waterproof
Writing Instrument Form	Marker Pen
Writing Technique	permanent

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฿1772

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Thailand.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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