MARKSMITH® ULTRAFINE Permanent Cartridge Refill 2 Pack - COMPATIBLE WITH ULTRAFINE MARKSMITH ONLY

2 Pack of Refill Cartridges for the MARKSMITH® ULTRAFINE Permanent Marker

• NOTE! Only works with MARKSMITH ULTRAFINE point permanent marker. Does NOT work with with MARKSMITH FINE point permanent marker. 
• Permanent black ink
• Can be refilled using permanent ink and reused until the tip is worn out