Make your brass tubes virtually "invisible"! Nothing is worse for a pen maker than turning and polishing a perfect pen from a stunning acrylic blank only to have the brass tubes show through and ruin the pen. These new pen blanks almost completely eliminate ghosting of the brass tubes through the blanks, even on large pen tops and 7mm pens where little material is left. You no longer have to struggle with painting or coloring the brass tubes to try and disguise them, just drill, glue, and turn!