Uniball Signo Bold Gel Pen 1.0mm

Brand: Uni Mitsubishi

Model Number: UM-153 Series

Ink Type: Water-based pigment gel ink

Nib Size: 1.0mm

Functionality: Ultra-smooth, juicy ink delivery, vibrant opaque coverage (especially in white, gold, and silver), comfortable rubber grip, and durable stainless steel tip

Best For: Writing on dark paper, addressing envelopes, bold signatures, hand lettering, adding highlights to illustrations, and creative craft projects

The Uni-ball Signo Broad (UM-153) is globally celebrated for its rich, buttery 1.0mm stroke and exceptional opacity. Famous for its standout White, Gold, and Silver shades as well as classic rich black and blues, it flows effortlessly without skipping or scratching. Formulated with archival-quality pigment gel ink, it creates bold, waterproof lines that sit smoothly on top of dark paper, cardstock, photos, and mixed media art, making it an essential tool for crafters, artists, and pen lovers.