This Pentel EnerGel Xm pen features a convenient retractable design with a chunky metallic-look barrel and rubber grip for comfort in use. With revolutionary refillable liquid gel ink the EnerGel formula is quicker drying and smoother flowing than ordinary gel ink giving a similar sensation to liquid ink. The medium 0.7mm tip writes a 0.35mm line width for general use at home work or at school. This pack contains 12 black pens.