Distinctive medium and broad oil-based paint markings. Stainless steel-ball valve action tip writes through oil, grease and underwater without losing legibility or brightness even in extreme conditions. Write sharp, defined, bright marks on any surface including metal, plastic, glass, concrete, rubber and more. Ergonomically correct marker that enables you to mark at all angles, even upside down and marker retains its shape. Paint flow is controlled by the pressure bulb at the end of the barrel. Drying time- 25 to 35 minutes.