DeWalt Screwdriver Bit Ph2 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) Tough quality, professional screwdriver bits Due to geographical locations we are unable to deliver to: Isle of Wight, Isle of Man and Ireland.