Create permanent and accurate marks on virtually any surface with Paint PX-21 Oil-Based Paint Markers. Bullet tip with fine point (1.2mm) delivers precise, visible lines. Quick-drying paint is resistant to water, fading, heat and abrasions. Valve-action control provides excellent flow and coverage while preventing the marker from drying out if left uncapped. Permanent paint colors mark opaque and glossy on light and dark surfaces. Metal barrel and durable tip ensure a long marking life. Marker is ideal for manufacturing, construction, automotive, metal fabrication, aviation and more. Use marker to identify parts or equipment outside or marking oily, greasy items.