The MILWAUKEE® SHOCKWAVE™ Impact Duty 1" PH3 Driver Bits provide the Ultimate Fit for a superior driving experience. The optimized SHOCKZONE™ shanks are customized per tip type to absorb peak torque and prevent breaking. The long-lasting Wear Guard™ Tip provides increased wear resistance, protecting the fit over the life of the bit. The customized tip geometry leads to less stripping of screws on the job site.