Zebra Pen Corporation Gel Pen, Retractable, Fine Point, , 5mm, BlackSarasa Gel Retractable Pens contain a smooth-flowing, water-based, pigment gel ink, Soft rubber grip provides writing comfort and control, Smooth gel ink delivers scratch-free writing, Translucent barrel provides visible ink color and supply, Ink is acid-free and archival quality, SKU: DLRDY087489