Zebra Ballpoint Pen Slurry Oil-Based Refills, EQ-0.5, Black, 10-Pack, B-REQ5-BK

[Slurry] Thick and smooth emulsion ink [Features of emulsion ink] It has the "firm feel" of oil-based ink and the "light writing feel" of gel (water-based ink). [Ink] Emulsion dye + pigment [Refill size] Maximum shaft diameter 4.4 x total length 110 mm / weight 1.3 g [Caution] Before use, remove the resin ball from the tip of the pen.