Permanent Impression Markers are perfect for writing, drawing, or lettering on a variety of surface types including plastic, glass, metal, rubber, wood and much more. The durable tip allows extended use. Ultra-fine point delivers precise lines. Ink is fade-resistant and water-resistant, and will not smear. Stylish barrel features a rubber grip for writing comfort and a cap with pocket clip. Each marker conforms to ASTM D4236 standards.