Troika D1 Refill for Construction Pens Set of 5

Genuine Troika Refill for Troika Construction Pen in Black or Blue Ink Get a genuine Troika Refill for your Troika Construction Pen Troika D1 Ballpoint refills available in Black and blue. These refills fit Troika Construction Pen PIP20, Troika Mini Construction Pen PIP22, Troika Square Construction Pen PIP24, Troika Magnetic Construction Pen PIP29 Product Features D1 Refill Troika Medium point Pack of 5 Select Black or Blue Ink Fits Troika Construction Pen PIP20, PES40 and Mini Construction Pen PIP22 Item Code 99Z120 for Black and 99Z123 for Blue ink Instructions: Replacing your Troika D1 Refill Please follow the instructions in the image below to replace your spent Troika D1 refill with a new one.