Portamina TROIKA CONSTRUCTION ENDLESS HB blu alluminio 147 mm

The TROIKA CONSTRUCTION ENDLESS HB mechanical pencil features a matt blue aluminium body with metal accents and an endless HB writing tip that eliminates the need for sharpening. The replaceable tip provides up to approximately 20 km of writing, produces black HB lines, and is erasable. The pencil is compact and lightweight—147 mm long and weighing 16 g—designed in a construction-style finish with centimetre/inch ruler markings and 1:20 and 1:50 scales.

Advantages

The pencil offers a sustainable endless HB tip that lasts about 20 km of writing and can be exchanged when needed. Its erasable HB line delivers clear, precise marks without sharpening. The aluminium and metal matt construction provides durability while keeping the tool lightweight for everyday use. Integrated ruler markings and two common scales make it practical for construction and design tasks.

Suitable for

Key specifications

How to use

Hold the pencil as a conventional mechanical pencil to write or draw. Use the integrated ruler markings and scales for quick measurements or scaled sketches. When the endless HB tip is worn, replace it following the manufacturer’s instructions for tip exchange to restore full writing length.

Recommendations

Store the pencil in a dry place and avoid heavy impacts to preserve the matt aluminium finish. Use appropriate erasers for HB lines to maintain surface quality when removing marks.