Markal Ball Paint Marker is a liquid paint marker using a durable metal-ball tip for writing on hard surfaces. Ideal for identifying fabricated steel and other rough surfaces that are stored in harsh environments, the squeeze bottle meters paint in a thick or thin line for long-lasting marks. Features and Benefits Approx 3mm Ball Point Head,Cut through Grease & Oil,Mark Smooth, Rough and Rusty Surfaces.Withstand Temperatures up to 150F,Yellow, White, Red & Black Markers are Low in Halogens, Chlorides and Sulphates INDUSTRY USES Steel mills and warehousesForge and casting foundriesShip building and repairMetal fabricationConstructionMetal productionAviation and aerospace SURFACE USES Steel and ironPipes and tubesConcrete and stoneAsphalt View all Markal Paint-Riters here Part Numbers: White - MRK-84620 Yellow - MRK-84621 Red - MRK-84622 Black - MRK-84623 Orange - MRK-84624 Blue - MRK-84625