Converter for rollerball pens that can use ink Spring-loaded converter And a set of non-sharpening pencils (erasers are in the barrel) The barrel color of the non-sharpening pencil will be random. If you change the non-sharpening pencil to a fountain pen, it will be 900 yen. Dedicated converter for rollerball pens that can use fountain pen ink Currently on sale Fountain pens and rollerball pens that fit this converter are sold separately. Does not fit Lamy Safari Fits INOXCROM fountain pens #Rollerball pen that can use fountain pen ink 0.5mm, 0.38 fountain pen