WTM56010W Waterman Converter, Standard Piston/Twist. Waterman converters fit a number of fountain pens that take international converters. However, they do not fit Waterman C/F fountain pens.
Parker Piston/Twist Converter. The Parker piston converter is twist activated and fits most Parker and Aurora fountain pens. Twisting the black knob at the end pulls ink into the converter. This is the traditional converter Parker packs with most new fountain pens.
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