RPI Laboratory Marker Pen, Black Ink

This unique Laboratory Marker Pen is ideal for marking and identifying a wide variety of items. Features a dual tip design with a 0.7 mm micro-fine tip and 1.2 mm fine tip. Marks on any surface including glass, plastic, metal and paper. After drying (20 - 30 seconds) markings become waterproof and highly resistant to solvents and alcohols. Markings remain legible at low temperature storage down to -70°C.