Platinum Ink Cartridges: 10pack

Platinum Dye-Based Ink Cartridges (10-Pack)

Contains standard dye-based (or iron gall) daily writing ink refills designed exclusively for native Platinum and Nakaya brand writing instruments.  Unlike the premium 4-pack Carbon Black pigment cartridges used for art applications, these 10-packs are built for everyday note-taking, journaling, and schoolwork. Each cartridge has a 1.2mL ink capacity and features Platinum's unique built-in stainless steel internal ball bearing, which functions to tightly seal the unused chamber, meter a highly steady ink flow upon puncture, and effortlessly prime the feed with a quick flick of the wrist.