• Mechanical pencil lead for use on paper and drawing card
• High break resistance due to flexible lead
• Smooth-gliding lead, jet black lines
• Innovative push-button mechanism for single-handed use and refilling of individual leads
• Funnel-shaped tip for easy refilling, lead content window
• Unique ecological manufacturing process without PVC or softening agents
• More than 90% natural raw materials
• Suitable for use with all mechanical pencils
• 40 leads per tube