Product number:
206000-169
Product information "Marking Pen"
With the Marking Pen (reddish), you can colour in damages on PVC profiles, making even very fine scratches visible. Afterwards, these can be sanded out or scraped off with a rounded lacquer scraper.
https://www.heinrich-koenig.de/media/32/32/bc/1721308960/SDB_206X00_Marking_Pen_V2.7_EN.pdf
