Uni-Ball Signo Micro Gel Pen UM-100

Uni Ball Signo Micro Gel Pen has high-quality and reliable rollerball featuring waterproof pigment ink and 'Uni-Flow' system to ensure a continuous consistent flow. The stainless-steel tip with tungsten carbide ball provides super smooth and comfortable writing experience. Comes with a fine 0.5mm nib for a 0.3mm line width, which is ideal for detailed work.