Frixion Point Refill 0.4mm Blue Ultra Fine 3-Piece Set Pilot - Condition: Unopened, unused - Quantity: 8 sets of 3 refills, for a total of 24 refills - Ink Color: Blue - Fineness: 0.4mm A set that allows you to buy in bulk. The fine 0.4mm tip is perfect for detailed writing in planners, etc. Compatible with both capped and knock-type pens.