1213-D Metal Fountain Pen

140 x Ø13 mm Box/Package Quantity: 500/50 Blue Refill
Laser Printing Printing Area: 40 x 5.5 mm
When turned in the direction of the arrow, the piston goes down.
When turned in the direction of the arrow, the piston goes up,
It fills the ink into the cartridge by vacuuming it.