FINALLY! the "vacumatic" it's available. Venvstas V.A.C.Characteristics: Materials: Carbon fiber body and fiberglass. Carbon fiber feed with carbon fiber nib casing. Carbon fiber mechanism. System: Vacumatic type w/piston; exposed button with locking system (no blind cap). Spring action. 2.2ml of effective ink capacity.Nibs: 6mm 14k EF/F/M/B/1.1 Dimensions: Length capped 155mm uncapped 152mm width min 9mm, max 11mm Weight 18gNumber of units to be manufactured: 20Delivery expected in November. Carbon Fiber Pen Case included Here is a link to the pen. https://www.venvstas.com/vac