NEW! Uni-ball - Signo 307 - Gel Pen Refill - 0.5 mm - Black

Uni-ball Signo 307 Refill 0.38mm - Black

Crisp and refined, the Uni-ball Signo 307 refill in 0.38mm delivers ultra-fine lines with exceptional smoothness. Its advanced gel ink formula provides rich, deep color while maintaining quick-drying performance, making it ideal for detailed writing and everyday precision. Designed for clarity and consistency, it ensures clean strokes without skipping or smudging. Perfect for notes, planners, and fine writing, it brings accuracy and comfort to every line.

Product Highlights

• Ultra-fine 0.38mm tip for precise, detailed writing

• Smooth gel ink flow with rich, consistent color

• Quick-drying formula reduces smudging and transfer

• Ideal for planners, notes, and fine everyday writing

Product Details

• Type: Gel Pen Refill

• Tip Size: 0.38 mm

• Ink Type: Water-based Gel Ink

• Ink Color: Black

• Model: UMR-83E

• Brand: Mitsubishi Pencil (Uni)

• Made in Japan

A Little Note

Delicate and precise, this refill captures the beauty of fine writing. Each line feels light yet intentional, clean, smooth, and perfectly controlled.