Markal products are designed to meet the most difficult industrial marking applications, From the originators of the B Paintstik Markal offers the industrial professional permanent and temporary marking products including solid paint markers liquid paint markers felt-tip markers metal markers and temperature indicators, Whatever your special application Markal has the marker for you, For all grade mark readers , Extremely accurate readability lowers your operating costs , Works on wet or green wood, as well as, wood that contains pitch and sap , No time consuming trial and error crayon selection SKU: ORSNO41562