The following devices are in accordance with ISO 17872:
Standard ISO 17872

ZSF 2196 Scratching Tool
Scratching tool for carrying out defined scribe marks through coatings on metal substrates for corrosion testing or for cross-cut tests on curved surfaces.

ZVL 2190 Scratching Tool according to van Laar
The Scratching tool according to van Laar is a handy tool for defined scribing accurately through coatings in preparation of corrosion tests.