The Ideal Mark is the best industrial marker in production. The only  all-metal marker in the industry features; fade-resistant ink, pocket clip and  leak-proof aluminum valve.  It has been    made for years and is the strong choice of many surveyors and industrial  companies   worldwide. The Ideal Mark industrial marker has a valve action tip   that allows you to pump more ink out when the tip dries out. The   cost saving there is tremendous. No more throwing good markers   out because the tips dried out. The Ideal Mark can be pumped   back to life by pressing on the tip. The large volume of ink   reserve lets the Ideal mark keep writing and writing.   Ideal Mark industrial  permanent marker can mark on a variety of surfaces and a must have for marking  lath and stakes. Includes 12 markers.