Pilot V5 Refill & Pilot V7 Refill. Cartridge System Pen Refills
These refills are to fit the Pilot REFILLABLE V5 & V7 Pens and are not suitable for other pens.
***To replace the cartridge hold the tip of the pen and pull the empty cartridge and then replace by pushing the new cartridge into the pen.***
The refill is available in Black, Blue or Red & there are 3 cartridges in the packet.