Milwaukee® Shockwave™ Impact Duty™ driver bits are engineered to be the most durable, best fitting driver bits on the market. The optimized Shockzone™ geometry is unique for each tip type to provide up to 30x longer life and absorbs 3x more torque vs. other impact bits. The Precise Fit Custom Machined Tip™ prevents stripping and reduces wobble while the Custom Alloy76™ Steel and proprietary heat treat process maximizes resistance to wear and shock.