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With the Milwaukee Shockwave Impact Duty PZ3 25 mm screwdriver bit, you tackle heavy fastening tasks with confidence and control. When driving large Pozidriv screws using an impact driver, standard bits often snap under sudden strain. The engineered flexible Shock Zone geometry absorbs high peak torque, drastically reducing tip breakages during continuous heavy use. Made from custom engineered alloy steel, the laser hardened PZ3 tip fits tightly into fasteners to prevent cam-out and tip wear. Equipped with a standard 1/4" hex shank, this convenient 2-pack keeps you productive on framing, decking, and structural construction projects.