- 4 flute spiral with maximum flute entry enable faster debris removal. - Maximised central core enables more efficient energy. transmission to the drill bit head. - Fully supported carbide head gives longer life and cleaner, more concentric holes for better fixing retention.
- 100% waterproof; - 100% non-metallic; - Lightness and flexibility of movement; - Insulation against cold and heat; - Heat-resistant sole up to 300ºC; - Anatomical and antistatic insole with shock absorption in the heel and support for the transverse arch; - ESD (Electrostatic Discharge Safe).