Assertion: fountain pen's nib | /r/HasProperty | stainless steel
Facets:
value: with an iridium tip
type: OTHER
Source sentences:
text: Nibs are stainless steel or gold, with an Iridium tip.
text: The medium nib, which is unfortunately the only size nib available for this pen, is stainless steel and never leaked or bled through the page.