This pen will do the job on almost every surface! The IDenti-pen is two permanent sharp point marking pens in one - a 1mm fine fiber point on one end and a .4mm extra-fine plastic tip on the other. Use this pen on almost every surface for things like labeling items, decorative art, and autograph collecting.
The .4mm extra fine plastic point (similar to the discontinued Sharpie Extra Fine markers) is perfect for detail work in small spaces. The larger 1mm fiber point is excellent for larger lettering and outlines.
Alcohol-Based, Xylene-Free ink.