It waits in the purse, shirt or pants pocket, to inscribe a birthday or Christmas card, or to embark on a more extended stint of letter writing. Or for occasionally jotting down notes. The pen body and construction are simple. The cap is threaded inside to tightly close the pen, or extend the Liliput to a full-sized writing implement. We offer the Kaweco Liliput fountain pen in light-weight aluminum or stainless steel, with an untreated brass or a copper housing.