Thank you for viewing. This is a set of ZEBRA SARASA Uni-ball pens and knock-type gel ballpoint pens purchased at the Demon Slayer: Kimetsu no Yaiba All-Concentration Exhibition. The pen tips are 0.38mm for the Uni-ball pen and 0.5mm for the gel ballpoint pen, with a simple design that is easy to use at work or school. #DemonSlayer #KimetsuNoYaibaAllConcentrationExhibition #TanjiroKamado #NezukoKamado #ZenitsuAgatsuma #InosukeHashibira #GiyuTomioka #ShinobuKocho #ZEBRA #BallpointPen