Create permanent & 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 & abrasions. Valve-action control provides excellent flow & coverage while preventing the marker from drying out if left uncapped. Permanent paint colors mark opaque & glossy on light & dark surfaces. Metal barrel & durable tip ensure a long marking life. Marker is ideal for manufacturing, construction, automotive, metal fabrication, aviation & more. Use marker to identify parts or equipment outside or marking oily, greasy items.