Uni Dermatograph Oil Based Pencil 7600 Glass and Metal writing

Name Dermatograph Oil-Based Pencil
Brand: Uni-ball
Model: 7600
 
Dermatograph pencils are intended for use on non-porous surfaces. According to JetPens, they are “perfect for writing on glass, metal, plastics, ceramic, vinyl and cellophane, and marks can be removed from any non-porous smooth surface. The paper wrapping can be removed by pulling the inside thread, which will in turn expose more of the soft colored lead.