BRITE-MARK Layout Marking PenMakes permanent bright marks on metal, rubber, plastic, glass, concrete, leather, stone, wood, vinyl and more. Valve action mechanism prevents paint in barrel from drying when cap is left off. Heavy duty barrel retains its shape. Ideal for color coding. Bullet tips are replaceable to assure complete use of paint in each marker. Drying Time: 25 - 35 seconds. Applicable Materials: Most Metals, Glass, Wood, Plastic, Cardboard, Rubber; Applications: Multi-Purpose; Chemical Compound: Acrylic; Color: Black; Resistance: Oil, Gasoline, Petroleum; Tip Type: Medium; Weight: 0.05 lb.