Tekninen piirustussarja TROIKA PIP25/BK

The TROIKA PIP25/BK technical pen set contains compact, multitasking writing instruments designed for precise drawing and everyday writing. Each pen combines a slim, durable metal body with a comfortable grip and refillable black ink, making the set suitable for professionals and hobbyists who need reliable, portable pens.

Advantages

The set offers a compact format that fits into shirt pockets, small notebooks or wallets while retaining multiple useful functions. Pens are made of metal (aluminium, brass, steel) with a matte finish and come in several base colours. Refillable black ink and included spare refills extend working life and reduce waste. The slim design supports precise lines for drawing and technical sketches.

Suitable for

Key specifications

How to use

Remove the cap or extend the tip according to the model to start writing or drawing. Replace refills when the ink runs out following the manufacturer’s instructions. Store the pens in a pocket, pencil case or pouch to keep them protected and ready for use.

Recommendations

For precise technical lines, use on smooth paper and replace refills promptly when ink flow diminishes. Keep pens capped or retracted when not in use to prevent ink drying.