Uni Pin Fine Line Pen, Black Nike This set includes 12 bright

This set includes 12 bright colors

black and permanent ink that works well with most surfaces and markers

Fluorescent Orange and Fluorescent Yellow

waterproof

The effect and strength depends on how long time the paint is exposed to light and how intense the light is

Uni Pin Fine Line Pen, Black Nike This set includes 12 brightThe Uni Pin Fine Line Black is a technical fineliner sold individually across 14 line widths, from an ultra fine 0. 03 mm needle point up to a 1. 03. 0 mm chisel tip, covering everything from microscopic detail work to broad lettering strokes within one product line. The tip is a polyacetal core inside an extended steel needle guide sleeve, which keeps the nib protected and makes it easy to track straight along a ruler, stencil, or drafting template