Faber Castell super-polymer fine leads are extra break-resistant.

The super polymer fine leads are extra break-resistant and deep black. Clean and easy refilling with the aid of practical refill tool. Super-Polymer leads, 1.4 mm, for use with E-motion mechanical pencils. Extremely break-resistant and exceptionally smooth. Deep black, intense lines. Hardness B for particularly soft writing. Box of 6 leads.

• Fits E-Motion twist pencil
• Blister card with 6 spare 1.4 mm leads
• Extremely break-resistant with soft, deep black stroke
• Hardness: B