The IDenti-pen set of 4 includes Black, Blue, Red, and Green.
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 point on the other. Use this pen on non-porous surfaces as well as paper products.
Alcohol-based, Xylene-free ink.
Metal - Wood - Glass - Test Tubes - CDs - Golf Balls
Fabric (Heat set recommended) - Tools - Toys
Photographs - Plastic - Autographs - Figurines