Creative versatility - Available in four hardness grades HB, 2B, 4B, and 6B to deliver a range of graphic effects from light lines to rich shading. - Moisture-proof packaging preserves lead quality and keeps storage conditions optimal. Flexible core advantages - Ergonomic design enhances lead resistance to impact and pressure. - Longer life for mechanical pencil refills thanks to improved durability and reliability under use. Balanced performance - Combines smooth graphite flow with precise lead dosing for steady, controlled drawing. - Ideal for creative work that demands both precision and comfort in execution. Responsible production - Optimized manufacturing to minimize carbon footprint. - Uses renewable resources and controlled industry practices to meet ecological expectations without compromising writing quality. Use scenarios - Illustration and shading: switch among HB for light sketches, 2B and 4B for mid-tones, and 6B for deep shading to build tonal depth in drawings. - Technical drafting and layout: reliable lead flow and precise dosing support clean, accurate lines and controlled strokes in diagrams and design plans. - Note-taking and quick ideation: smooth performance enables comfortable long sessions for brainstorming and rough concept development. Compatibility and practical details - Designed for use as refill leads in standard mechanical pencils, offering reliable performance across common drawing and writing tasks.