Mitsubishi UMN-S-38 Blue Black 64 UMNS38.64 4902778261071 (10 sets)

Ball diameter: 0.38mm Shaft diameter φ10.5 x thickness 15 x total length 139.5mm 9.6g The notebook fits perfectly. Equipped with uniball one ink that produces deep blacks and vivid colors. Gel ink ballpoint pen. UMN-S-38. ◆Ink color: Blue black ◆Mechanism: Knock type ◆One ink