FineOne Round, Replacement Nibs significantly extend the life of a product. The exchange is quick and easy. In a few simple steps, the old nib can be replaced with a new writing nib and a marker pen will be ready to go again. The Nibinator is a MUST for a mess-free exchange.
Please replace the nibs of the same type ONLY. Exchange the old 1mm round FineOne nib for a new one.
Line width: Approx. 1 mm.