KACO Black 0.5mm Gel Pen Student Creative High-Value Ins Style Stress-Relief Click Ballpoint Pen Blue Beat Single Pack

Self-developed new generation dual-ball ST refill

Dual-ball technology ensures smooth, silky ink flow with minimal skipping

ST fine tip offers elastic writing feel

Quick-dry ink keeps paper clean and smudge-free

Suitable for exams and computer recognition with deep black ink easily scanned

Side-click mechanism with innovative crank-link structure for comfortable grip and stress relief

Low center of gravity design with built-in metal weight at the front end of the pen barrel for enhanced writing stability and premium feel

Soft rubber spray paint pen barrel with velvet-like elegant texture for comfortable holding

ST dual-ball tip allows smooth writing at angles as low as approximately 48°, compared to traditional single-ball tips requiring about 60°

Actual writing angle may vary depending on personal habits

Quick-dry ink tested by drawing lines at 65°~70° angle with 70mm/s speed; ink dries within 3 seconds and resists smudging after 1 minute under pressure test

Pen delivers a lively and smooth writing experience inspired by rhythmic melodies, designed to open a quiet and personal writing moment