Printing Carbon Fibre on a standard Core will destroy it completly in a few hours, or less than 500g filament.
This nozzle can print all day long, week after week.
Super hard nozzle. Made from ruby or sapphire. Sapphire and ruby are one level softer on the hardness scale from Diamond. Print many spools of CF filament with no wear.
Many users experience that the Everlast Ruby “paid itself back” after 1 time use only!