- 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)
- Round file with circumferential cut. - Version with tang. - Shape F according to DIN 7261. - Suitable for work on radii and for filing profiles with inner radii.
Cloth rings are used for pre-polishing and high-gloss polishing with polishing pastes; -If the intention is to achieve very smooth surface finishes, use several or even all variants successively.
