MUJI Gel Ink Ballpoint Pen Smoothly Knock Type Brown Water Based 0.5mm 5 Set

I made a ballpoint pen knock type body with an original design. Specifications / Mixing ratio Body: Polycarbonate Top / Tip: ABS resin Spring / Screw

Pilot Juice Gel Pen - 0.5 mm - Coffee Brown

Mixing ratio Body: Polycarbonate Top / Tip: ABS resin Spring / Screw: Copper Refill Body: PP Refill Tip: Copper. 　　　　 Gray, Yellow, Green, Pink. Ink

MUJI Smooth Gel Ink Ball Point Pen Knock Type 0.5mm 16 Color Select / Set

What pen do y'all use ? : r/bulletjournal

Muji Pen

MUJI GEL INK Extra fine Hexagonal Ballpoint Pen 0.25mm 8 Color

Pens and Pencils, Japanese Stationery

MUJI GEL INK Extra fine Hexagonal Ballpoint Pen 0.25mm 8 Color

Pilot ILMILY Nuance Black Gel Pen - 0.5 mm - 7 Color Bundle

MUJI Smooth Drawing Gel Ink Ballpoint Pen, Retractable. It is one of the many Muji products that are popular among Japanese users. This is a ballpoint

Muji Japan 0.5mm Gel Ink Retractable Ballpoint Black 10 pieces lot Made in Japan

Just curious: If you didn't know about fountain pens, what pen