Waterman fountain pens are available in their historic Carene collection, as well as their Expert series in both in lacquer or in metallic. A limited edition L'Essence du Bleu is also still available with models from assorted collections. All Waterman Carene and Expert fountain pens are sold in fine and medium nibs. Some Waterman fountain pen models offer a medium nib point only. Waterman fountain pens feature both steel and gold nibs, depending on the model. They all accept Waterman ink cartridges or can be used with a converter and any fresh bottled ink.