Dianshi Pen, [Exam-Specific] 5A Exam Pen, Quick-Drying Retractable Gel Pen, 0.5mm Black Carbon Ink, Silent Student Practice Pen, Back-To Essential Specialized Set

Ink does not leak or accumulate due to dual ball tip and precision spring mechanism

0.5mm bullet tip with built-in dual ball bearings and precision spring

Dual ball bearings provide point-to-point rolling friction for smoother writing and reduced resistance

Enhanced pen tip sealing to prevent ink leakage and accumulation

Retractable mechanism with automatic cruising front tip technology

Tri-color pen option for versatile use in exams and study

Anti-shake structure for stable writing

Pen clip with symbol "A" for easy identification

Lightweight and ergonomic for comfortable long-term use

SPACE UP SERIES packaging

Branding emphasizes specialization in pen manufacturing ("We only make pens")

Ideal for exam preparation, practice tests, and daily writing needs

Suitable for electronic grading due to clear and smudge-free ink

Available in single pen and multi-pack (1 or 5 pieces) options

Ink and pen design optimized for exam conditions

Product supports clear logic and efficient study with multi-color ink options

Durable ink with long preservation time and resistance to fading