Blue solid paint marker. 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 farenheit) to high-heat work applications (2200 degree farenheit), markal paintstik markers are suitable for any surface that is smooth or rough, clean or oily. 48 Per case.