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The Deli EQ300-BK Roller Pen uses a liquid ink system with a 0.5mm tungsten carbide tip. This 12-piece box provides a total writing capacity of 13,200 meters. It produces a consistent black line that resists smudging on standard paper.
Key Features
- 1100m Writing Capacity: High-volume liquid ink reservoir resides within the main barrel. One pen lasts through exam cycles.
- Instant-Dry Ink: Liquid formula evaporates in 1 to 2 seconds on paper. Ink won't smear during note-taking.
- Tungsten Carbide Tip: 0.5mm durable ball point maintains structural integrity under pressure. It prevents ink skipping during use.
- Ink Supply Indicator: Transparent barrel window shows the remaining liquid ink levels. You'll know exactly when to replace.
- Metal Pocket Clip: Spring-tensioned steel attachment mechanism for secure pocket storage. It stays fixed during BD humidity.
Frequently Asked Questions
How long does a Deli 0.5mm pen last?
A single unit covers 1100 meters of continuous writing. This capacity supports several months of regular office usage.
Is Deli roller pen waterproof?
The liquid ink formula prioritizes fast drying over total water resistance. It survives light moisture but bleeds if fully submerged.
