Quick pen hack: Used a 1/4" drill bit to slowly hand-trim out the inside of a Lamy Safari rollerball pen [https://amzn.to/49rMtc5] so that it would fit the world's best ink refill > a Pilot G2 gel ink cartridge! Don't know why you didn't make it this way to begin with #Lamy! #hack #mod #make #pens #writing #pilotg2