Staedtler 318 3 lumocolor permanent pen etch resist
Staedtler etch resist pen staedtler 318 3 this etch resist pen from staedtler is ideal for using on plain copper boards producing a blue ink for preparation and artwork p click here for more details about our range of a href https www rapidonline com staedtler staedtler pencils pens and graphic media a p staedtler 318 3 lumocolor permanent pen etch resist