Zebra Biogym Knock Water Clear BI-KRB-WC 4901681881840 (10 sets)

Ball diameter: 0.7mm Maximum shaft diameter 11.6 x total length 140.1mm 9.9g An emulsion ballpoint pen that uses plant-derived biomass plastic for the refill. ◆Ink color: Black ◆Knock type ◆Ink: Emulsion/dye + pigment ◆With rubber grip Core tube: Biomass plastic