Sailor Pen Penciero Sereno Multifunction Dark Pen, Gray, 16-0385-221

[Ball diameter] 0.7mm [Ink color] Oil-based black/red [Lead diameter] 0.5mm HB [Mechanism] Rotary push-button type [Lid/Block] Brass/Metallic finish, Dark Gray [Body size] Diameter 11.5mm x 130mm (including clip) [Country of origin] Japan