Easy-to-use high quality cryogenic permanent ink markers
Thermal resistance of ink: From -196°C to +200°C (-320°F to +392°F)
Features
- Solid Ink
- Permanent
- Fade and water proof
- Marks on most surfaces
- Dries in 5 to 7 minutes
Instructions: Discard protective inner cap. Twist end of barrel to advance. Point will not retract. Recap after use.