- 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.
- Thermal insulation level 3; - Certified to work in environments as low as -5°C; - Waterproof; - Windproof; - Breathable; - Stretch; - Fleece lined collar; - Multi-pockets; - Reflective stripe on back and hood.