Mitsubishi Pencil Uni Posca Sign Extra Fine Sky Pack of 10 Water-Based Pens, Point, Blue, PC1M.48,

[Color] Sky blue / [Quantity] 10 pieces of the same color [Pen tip/line width] Extra fine / line width 0.7mm [Single item size] Shaft diameter 15.3 x thickness 18.5 x total length 141.6 mm [Material] Barrel material: PP resin / Pen core: PET fiber [Refill] PCR-3 (sold separately) The vibrant colors show up beautifully even on dark paper. You can write on metal and glass as well as overwriting, making this a versatile and versatile sign pen.