Converter plume st dupont - S.T. Dupont

Converter plume st dupont . a pen refill that replaces your cartridge. all you have to do is fill the pen using an ink bottle thanks to the piston system integrated in this nib converter. . to replace the broken piston of your fountain pen or to have a spare one. . - mark : . st dupont. - manual: . . when using for the first time: using the black tip turn counter - clockwise so as to lower the plunger. . dip the nib of your pen into the inkwell. . turn the black tip clockwise again to refill the cartridge. . . - dimensions: . converter: length x diameter in cm 7.5 x 0.7 cm