Free Ink Roller
Liquid Ink conforms to ASTM D-4236
Tip: stainless steel Needle type
Light resistance, climate resistance
Water Resistance, light resistance, climate resistance
Smooth ink flow, bring and vivid ink, Keep consistent writing until the last drop of ink
Extra fine point for precise writing,
Advance free ink system ensure smooth ink flow,has the most stable and outstanding.Quality control
Performance in writing instruments.
heat- resistance, cold resistance, high altitude flight.