**Feature** Large capacity Push button operation Plunger-vacuum style piston converter Works well with Pilot and Namiki fountain pens Silver cap From a culture that has revered the art of writing for more than a thousand years comes instruments that celebrate both writing and art. The Pilot Piston Style Fountain Pen Converter is a genuine push-button plunger-vac style piston converter for Namiki and Pilot fountain pens (does not fit Vanishing Point). It features a silver cap and is approximately 3 inches in length. Help keep even your most treasured fountain pen running smoothly. For every creative endeavor， Pilot is the ultimate writing tool.