The Mitsubishi Uniball Signo UM153 is a rollerball pen with a broad tip and gel ink. The Mitsubishi Uniball Signo UM153 is ideal for adding a personal, decorative touch to greetings cards or invitations, and for use in arts and crafts activities. It is fitted with a broad 1.0mm nib, which produces a thick 0.65mm line, making this pen highly suitable for larger writing styles. With its premium quality metallic gel ink, the Uniball Signo UM153 enables smooth, skip-free writing on a daily basis. This broad gel pen is ideal for everyday use at school or home.