M&G K35 Black 0.5mm Retractable Gel Pen Bullet Tip Office Student Exam Water Pen Business Signature Pen Teacher Special Ballpoint Pen 12pcs

Tungsten carbide ball for stable and strong writing

High hardness material with precision manufacturing

Spring process technology with artisan spring tip and unidirectional valve design to prevent ink leakage

High sealing technology using silicone oil ("liquid piston") for effective ink sealing during rest and fast writing

Soft rubber grip for comfortable writing

Durable polycarbonate curved clip suitable for various notebook thicknesses

Suitable for students, office workers, accountants, home use, and medical professionals

Ideal for daily writing, office work, student note-taking, chart and graph drawing, highlighting, homework correction, medical prescriptions, and signature signing