Schmidt K6 Converter

Schmidt K6 Premium Threaded Universal Fountain Pen Ink Bottle Converter

The Schmidt K6 ink bottle converter is the premium universal on the market. These will fit a wide range of Pens that will take standard ink bottle converters. These are a threaded, screw-in converter

These will not work in Pens that use a proprietary such as Cross, Parker, Waterman, Sheaffer, Pilot and a few others