Večnamensko kemično pero TROIKA CONSTRUCTION BASIC črno srebrno

The TROIKA CONSTRUCTION BASIC multifunction ballpoint pen combines practical tools with a compact, matt aluminium and metal design in silver and black. It features a black D1 refill for consistent writing, integrated centimetre and inch rulers and 1:20 and 1:50 scales for quick measurements. The pen is 150 mm long, about 10 mm wide and weighs approximately 0.02 kg, making it a portable instrument for everyday use.

Advantages

The CONSTRUCTION BASIC offers several integrated functions in a single device: a reliable black D1 refill that can be changed by pulling out the front part, precise measurement guides in centimetres and inches, and practical 1:20 and 1:50 scales. Its matt aluminium and metal construction delivers robustness and a compact form factor suitable for carrying in a pocket, bag or pencil case.

Suitable for

Key specifications

How to use

Use the TROIKA CONSTRUCTION BASIC as a regular ballpoint pen for writing and sketching. For measurements, align the integrated centimetre or inch ruler with the object or drawing and read the value directly from the pen’s scale; use the 1:20 or 1:50 scales to translate measurements to the corresponding reduced size when sketching. To replace the black D1 refill, pull out the front section of the pen, remove the empty refill and insert a new D1 refill until it clicks into place.

Recommendations

Store the pen in a dry place and avoid strong impacts to preserve the matt aluminium finish and precise ruler markings. Replace the D1 refill with genuine or compatible D1 refills to ensure consistent ink flow and reliable performance.