Mitsubishi uni-ball ZENTO 0.5mm black ink water-based ballpoint pen, stylish design. Brand new, unused. Has not been tested. 0.5mm Anthurium Pink 0.38mm Birch White - Model Name: uni-ball ZENTO Flow Model - Pen Tip Thickness: 0.5mm, 0.38mm - Ink Color: Black - Colors: 0.5mm Anthurium Pink 0.38mm Birch White This is a new color of the uni-ball ZENTO Flow Model, equipped with Mitsubishi's newly developed water-based ink. Please give it a try! Type: Ballpoint pen Ink: Water-based Body Material: Metal