Pentel EnerGel Liquid Gel Ballpoint Pen, 0.7mm Metal Tip, Black Ink (BL57-A) , 3 pens per Pack (Japan Import) [Komainu-Dou Original Package] EnerGel liquid gel ink is a high performance ink technology Quick Drying Ink. High-Tech Smoothness. Ball diameter: 0.7mm Pen holder color: Silver Ink color: Black