Heavy-duty soft tip disposable pen comes in 7 colors and writes on glass, metal, ceramics, plastics, paper, etc.
• Oil-based marking paint resists washing, weathering, mild acids and alkalis
• Operates within the temperature range of -46° to 65°C (-50° to 150°F)
• Withstands autoclaving at 121°C (250°F)
• Mark is approximately 1 mm (0.040”) wide