The break-resistant and exceptionally smooth leads for refilling the FC clutch pencils are deep black, blue-printable and can be easily erased. Available in 11 degrees of hardness. The grades 4H to 3B have a lead diameter of 2 mm, 4B to 6B have a lead diameter of 3.15 mm.
- TK 9071 leads for writing, drawing and sketching - Suitable for TK 9400, TK 9500 and TK 4600 clutch pencils - Lead diameter 2 mm - Intense black lines - Easily erasable - 130 mm long - Content: 10 leads of one degree of hardness per container - Available in 9 degrees of hardness
