Can you use acrylic inks in this pen?

I have only ever put Rotring’s ink in these pens. However, when left to dry, this ink is waterproof. I can apply very wet watercolour paint over the top and it does not run in the slightest.

Does this include a cap for the pen?

Yes the 0.7mm does include a cap clearly marked on the top end 0.7mm in white lettering. The pen reference No:- Art. 151 070. Complete with instruction detail sheet to advise on maintaining your pen should also be inside the Pen Box in which should be provided with your order.

Can you use cartridges instead of filling it from a bottle

I know there's a difference between Isiographs and rapidographs, one only takes cartridges and one you fill up with ink as it has a little detachable tube you unplug and fill up with ink. It should be self evident when you buy it as the Isiograph will have a cartridge already installed in it....hope that helps?

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✏️ Draw the future with precision and style!

INK LEVEL TRANSPARENCY - Stay ahead of your projects with a visible ink reservoir that signals exactly when it’s time to refill.
SUSTAINABLE CREATIVITY - Eco-conscious refillable ink system keeps your workflow uninterrupted and reduces waste.
DURABILITY MEETS DESIGN - Hard chrome-plated tip resists wear, preventing ink blobbing and ensuring consistent line quality.
PINPOINT PRECISION EVERY TIME - Achieve flawless detail with the razor-sharp 0.35 mm tip designed for professional-grade technical drawing.
VERSATILE SURFACE COMPATIBILITY - Perfectly engineered for line board, tracing paper, vellum, and more—your all-surface drawing companion.

The rOtring Isograph Technical Drawing Pen features a 0.35 mm hard chrome-plated tip for ultra-fine, drip-free lines. Its refillable ink reservoir with visible ink level ensures uninterrupted creativity, while the wear-resistant tip guarantees durability. Ideal for professional technical drawings on various surfaces including line board, tracing paper, and vellum.

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RM268

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Manufacturer	Newell Rubbermaid
Brand	rOtring
Model Number	1903400
Product Dimensions	14.2 x 3.99 x 2.2 cm; 19.05 g
Colour	Black
Closure	Retractable
Grip Type	Ribbed
Pencil Lead Degree (Hardness)	H
Material Type	Plastic
Size	0.35 mm
Point Type	Fine
Line Size	0_3mm
Ink Colour	Black
Manufacturer Part Number	1903400
Item Weight	19 g

rOtring Isograph Technical Drawing Pen | 0.35 mm | Refillable Fineliner Pen

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