FPR #5.5 14k Gold EF Ultra Flex Nib platinum cartridges Weight (empty): 20g (

Weight (empty): 20g (

Length uncapped: 12

Weight: 34g (1oz)

The screw in rollerball unit allows the use of any standard fountain pen ink using the a clutchless piston design for filling

FPR #5.5 14k Gold EF Ultra Flex Nib platinum cartridges Weight (empty): 20g (Our softest nibs! Our custom adjusted 14k gold ultra flex nibs are extra fine tipped for maximum line variation and offer the softest flex experience of any modern nib we have tried. These are the crown jewel of the FPR flex lineup. They are capable of flexing up to 2. 5mm and write with a . 4mm line without any pressure. Dimensions: length: 2. 6cm shoulder width: 7mm base width: 5mm fits a 5. 1mm feed