Suitable for use with all mechanical pencils. Innovative push button mechanism for single handed use and refilling of individual leads. Funnel shaped tip for easy refilling. Lead content window. Smooth gliding lead. Jet black lines. Highly flexible - extremely break resistant. Easy to erase. 2 line widths, 2 degrees. 40 leads per tube.

• High break resistance due to flexible lead
• 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