DEWALT Impact Torsion Pozi Bits have a 15° torsion zone that allows the screwdriver bit to flex rather than break, and the full fit head prevents rounding of the screw head and prevents 'cam out' (bit head slipping out of the screw head due to the turning force).
This Faithfull Impact Screwdriver Bit Set contains 42 professional 1/4in hex drive impact bits that are specifically designed and for use in high torque impact drivers. Manufactured from a unique material specially engineered for extreme durability these bits have an increased working life compared to standard screwdriver bits.
DEWALT Extreme Impact Torsion Pozidriv Bits have a 15° torsion zone that allows the screwdriver bit to flex rather than break, and the full fit head prevents rounding of the screw head and 'cam out' (bit head slipping out of the screw head due to the turning force).