The classic, reliable and familiar "TK Pencil" for artists and technicians from Faber-Castell: the TK Clutch Pencil 9400. Equipped with ergonomic finger grooves. The powerful jaws grip the lead firmly. The TK 9400 clutch pencil has a slender and even shaft with its balance point oriented towards the tip. Available in 14 grades of hardness. Lead diameter: 6B to 3B and 4B in 3.15 mm to 2 mm in 6H.
- TK 9071笔芯硬度HB，直径2mm
- TK 9071共11个等级的硬度（6H-3B）