SWIX T0401U Structure tool, linear

When warmer than -2°C, the 0.75 mm or 1 mm structure steel is used.
Comes with 1 mm structure steel as standard. Gives a major improvement.

The range of optional structure steels for the Super Riller includes:
- Extra fine 0.33 mm.
- Fine 0.5 mm.
- Medium 0.75 mm.
- Coarse 1.0 mm.
- Coarse 2.0 mm.