Brown solid paint marker. For use on metal, wood, plastic, concrete, rubber, glass, cardboard and paper. Lead-free, non-toxic. Marking range: -50 degree farenheit to 150 degree farenheit (-46 degree celcius to 66 degree celcius). The result is a marker that is cleaner, easier and more efficient to use than a paint and brush. Our wide variety of paintstik markers includes over 20 unique formulas to meet every need. From extreme cold environments (-50 degree f) to high-heat work applications (2200 degree f). Standard paintstik uses #101 and #102 holder.