- Hardened core for extra strength and durability - Flexible Torsion Zone absorbs torque peaks and reduces breakage (Torsion bits only) - Extra Grip ribs grip the screw and reduce slipping (specific bits only)
- For use in electric keys or screwdrivers, they are used in association with a Support; - This combination is more economical, as it requires replacement only from a small end to end of life (no need to replace the holder); - It is also more versatile because it facilitates the exchange of the tips according to the need of the application.