Markal Trades-Marker

The Markal Trades-Marker is a grease pencil that, unlike "peel away" pencils, has a durable plastic holder that reduces breakage, keeps hands and clothing clean, has a one-touch advance that eliminates sharpening time and mess of the other paper-wrapped pencils, and maximizes the complete use of the marker. 

-Leaves bold, permanent marks on surfaces such as plastic, glass, metal, wood, cardboard, and paper
-Marks won't rub off and are weather-resistant
-Safe for all surfaces
-Great for marking even rough, rusty, or dirty surfaces
-Refillable and available in a variety of colored leads