Pentel Ain Stein Leads 0.9mm | Ultra-Strong Mechanical Pencil Refills

Description:
The Pentel Ain Stein Leads 0.9mm are designed for people who prefer bold, confident linework without brittle breakage. Built using Pentel’s enhanced polymer technology, these leads offer superior core strength, smooth transfer and deep graphite tone — perfect for heavy-handed writers, technical sketchers, students and professionals.

0.9mm provides a thicker, more durable line than standard leads, making it ideal for long writing sessions, diagrams, drafting, journaling, math work and note-heavy documentation. Smudge resistance, crisp line quality and long life make Ain Stein one of the most trusted lead formulations in the world.

Key Features:

• 0.9mm thick core — bold strokes, strong durability

• Ain Stein polymer formula for maximum break resistance

• Smooth, dark writing with consistent density

• Ideal for technical writing, note-taking & drafting layouts

• Perfect for heavy hand pressure & long-duration writing

• Clean marks with minimal smudge or crumbling

• Available Lead Grades: H, HB, B, and 2B to suit various writing and drawing needs
• Swivel-Top Tube: Convenient packaging for easy and controlled lead dispensing
• Made in Japan: Ensures top-tier quality and reliable performance
• Students and Professionals: Ideal for exams, note-taking, and technical work
• Artists: Perfect for detailed sketches, shading, and creative projects requiring varied line shades
• Technical Applications: Suitable for precision work by engineers, architects, and designers