Use for bottled ink in your Lamy Safari fountain pen instead of cartridges. Fits Lamy Safari, Lamy Al Star, Lamy Vista, and Lamy LX fountain pens.
Like a syringe, the ink is drawn up through the front, The front part of the converter is inserted into the pen. Then dip the end of the pen with the nib into the ink bottle and pull it up. Multiple mounting increases the capacity.