Refill color:

1 Pen/*/

10 pens [send 50 black. Refill]]

50 pens

100 black pens

20 pens [send 50 black. Refill]]

Ten pens + [get 100 black. Color refill for free]]

Twenty pens [get 100 black. Color refill for free]]

Five pens [send 20 black refills]]

Ten gel pens

20 gel pens

5 gel pens

Get 5 black cores for one pen]]

20 black pens +5 blue pens +5 red pens

30 PCs black gel pens

One hundred black. Refill [replacement]]

100 refill [get 1 pen for free]]

Pen head:

Black Bullet (0.5mm)

Black needle head (0.5mm)