Hongdian 100 Silver Piston Fountain Pen, EF/ F/ Long Knife Nib Witing Office Pen

1 x fountain pen (no ink included for safety). ✅ It is piston filling. Simply untwist the end cap, then pull up, ink is filled. To use the pen for longer, unscrew the piston knob a few turns to let ink flow from the barrel to the nib.