Stainless steel-ball tip writes through oil, grease and underwater. Marker stands out for its distinctive fine, medium and bold oil-based paint markings. Paint flow is controlled by the end of the barrel. Rugged aluminum body. Paint flow bulb controls paint flow and allows marking on upside down surfaces. Write sharp, defined, bright marks on any surface including metal, plastic, glass, concrete, rubber and more.SEPTLS25316063. TLS25316063. Dykem Dykem TEXPEN Industrial Paint Markers - 16063.