Description
The ATD-551 features torsion design which allows the bit to flex to protect and extend the life of both bit and fastener, an Impact rated to withstand a higher torque load without stripping or breaking, a CNC precision machined to maximize fit into fasteners for extended bit life, heat treated for durability and toughness, manganese phosphate coating for corrosion resistance. The Set contains: (6) Phillips: (2) PH2 x 2
