The break-resistant and exceptionally smooth leads for refilling the FC
clutch pencils are deep black, blueprintable and can be easily erased.
- TK 9071 leads for writing, drawing an sketching
- To fit for TK 9400, TK 9500 an TK 4600 clutch pencils
- Lead diameter 3.15 mm
- Intense black and easily erasable
- Length: 130 mm
- 10 leads of one grade per container