Rotring S0312410 0.35mm HB Replacement Lead

Keep your technical drawings, surveillance sketches and monitoring logs crisp and professional with Rotring S0312410 0.35mm HB replacement lead. This Rotring lead refill delivers the fine, reliable lines demanded by engineers, security technicians and IT professionals who document network diagrams, CCTV layouts and field notes. The 0.35 mm HB core offers balanced darkness and hardness for precise drafting, while the high-polymer, flexible formulation resists breakage and remains easy to erase for fast corrections. Supplied as a convenient pack of 12 leads, it reduces downtime and keeps Tikky mechanical pencils stocked for continuous use on-site or in the office. Compatible with Tikky fine mechanical pencils, these leads produce consistent line width for technical drawing, system schematics, surveillance reports and monitoring records. Durable yet smooth, they help maintain a professional appearance on plans and logs and reduce rework. Order the Rotring S0312410 0.35mm HB replacement lead to ensure your team has dependable, precision graphite for every job — perfect for security, surveillance and network documentation. Add to cart to restock your pencils and keep project work moving.

• Precision 0.35mm HB lead for crisp, consistent lines—ideal for technical drawings, surveillance sketches and monitoring logs
• High-polymer, flexible formulation reduces breakage and keeps your workflow uninterrupted
• Smooth, easy-to-erase graphite for fast corrections and clean documentation
• Pack of 12 leads provides a reliable on-site supply to minimize downtime for teams
• Compatible with Tikky mechanical pencils for immediate use in field and office applications