These Faber Castell Super Polymer replacement pencil leads are exceptionally smooth and extra break resistant and will give intense, deep black lines. The clever little package has a filling aid to make lead replacement clean, quick and easy.

Suitable for our OHTO Promecha Mechanical Drawing pencil and any popular 0.5mm mechanical pencil

• Thickness: 0.5mm
• Hardeness: HB
• Contents: 12 leads