DEWALT DT7915 11 piece screwdriver bit set- 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 including Torsion and torsion with “extra grip” Ribsdewalt dt 7915 11 piece screwdriver bit Set contains:- PZ 1, PZ 2, PZ3 – PH 1, PH 2, PH 3 – slotted 4.5, 5.5, 6.5, 8 – magnetic bit holder>- In plastic case
