Simply hold the converter in an inkwell of your choice and fill it with ink using the twisting mechanism

Pelikano Junior P67A

Converter type: Lamy Z28 (red)

Diplomat Elox Rollerball Pen

In terms of the ballpoint pen's weight

YSTUDIO Füller, Classic Revolve, dunkelblau Nib size:Means Simply hold the converter inYSTUDIO Fountain Pen, Classic Revolve, Dark Blue Manufacturer: YSTUDIO Type: Fountain Pen SKU: 1CFTP0003BLM Barcode: 4718009830462 Main Design: Modern Classic Cap Mechanism: Pull Cap Collection: Classic Fountain Pen Type: Cartridge Fountain Pen Height (mm): 11 Width (mm): 13 Length (mm): 138 Converter Included: yes Converter Type: Standard International Converter Possible: yes Overall Material: Brass Collection Add on: Revolve