What size would be the equivalent to 0.05 pens? Im looking for a really fine white pen. We need to buy the ink separately, correct?

Hello! the isograph makes the thickness of the line equivalent to the metric system (mm). if you compare a ballpoint pen, it is usually 0.5-0.7 mm. isograph the line thickness is from 0.1 and above. Liquid Ink 23 ml are sold separately for refueling and are not included in the purchase.

Are the isographs as horrible as the old rapidographs? i use the .13 rotring cartridge pen a lot. and now you can't find nibs anywhere on earth. help!

I have the Rotring .1 and .2 Isograph and I am thrilled with them. I kept avoiding for a long time because of the reputation of rapidograph. These are great. I feel like I have so much more control when drawing. Just use the right ink and don’t press too hard.

the color for this product is mentioned as Brown. do they mean the ink color or the outer pen color which is in brown ?

You can use any color bottled ink of your choice..Brown is just the color of the pen.

how do I get the ink to flow?

Hi Sue , this is Ivana from rOtring Consumer Care. Thank you for contacting us regarding our rOtring 1903394 Isograph Technical Drawing Pen. Before the first use and during the ink refilling the pen must be shaken lightly to encourage the ink to flow to the tip.

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rOtring 1903394 Isograph Technical Drawing Pen, 0.1 mm

rOtring 1903394 Isograph Technical Drawing Pen, 0.1 mm

Product ID: 253863262

Details

Age range (description)
Adult
Brand
Rotring
Colour
Brown
Ink colour
Black
Writing instrument form
Technical Pen

📏0.1 mm ultra-fine precision tip

🔄Refillable ink reservoir for sustainability

🛡️Wear-resistant hard chrome plated nib

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

✏️ Draw your future with precision and style!

PINPOINT PRECISION - Achieve flawless detail with a 0.1 mm ultra-fine stainless steel tip.
COLOR CODED EFFICIENCY - Quickly identify your line width with intuitive barrel color coding.
EFFORTLESS MAINTENANCE - Push-on sleeve allows fast ink access and hassle-free cleaning.
SUSTAINABLE CREATIVITY - Refillable ink reservoir keeps your workflow uninterrupted and eco-friendly.
DURABILITY MEETS DESIGN - Hard chrome plating ensures long-lasting wear resistance for professional use.

The rOtring 1903394 Isograph Technical Drawing Pen features a 0.1 mm ultra-fine stainless steel nib with hard chrome plating for exceptional durability and precision. Designed for professionals, it includes a refillable ink reservoir compatible with high-density pigment inks (not included), color-coded barrels for easy line width identification, and a push-on sleeve for quick maintenance. Ideal for detailed technical drawing, this pen combines minimalist design with sustainable functionality.

Specifications

ASIN	B000USGQH8
Additional Features	Refillable
Age Range Description	Adult
Animal Theme	no animal theme
Artistic Charcoal Form	Compressed Charcoal
Best Sellers Rank	#20,829 in Office Products ( See Top 100 in Office Products ) #17 in Technical Drawing Supplies
Body Shape	Round
Brand Name	Rotring
Closure Type	Snap
Color	Brown
Customer Reviews	4.6 4.6 out of 5 stars (3,324)
Drill Point	Ultra Fine
Global Trade Identification Number	03501179033945, 03501179036434, 13501179033942
Grip Type	Other
Hand Orientation	Ambidextrous
Hardness	H
Included Components	Receptacle, ink converter
Ink Base	Water
Ink Color	Black
Item Dimensions	14.2 x 4 x 2.2 centimeters
Item Weight	0.04 Pounds
Line Size	0.1 mm
Manufacturer	Sanford
Material Type	Stainless Steel
Model Name	Isograph
Model Number	1903394
Pattern	single item
Recommended Uses For Product	Drawing
Style	Minimalist & Professional
Theme	Technical Drawing
UPC	785525740302
Unit Count	1 Count
Water Resistance Level	Waterproof
Writing Instrument Form	Technical Pen
Writing Technique	drafting

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