The MILWAUKEE® SHOCKWAVE™ Phillips #1 2" Impact Duty Steel ScrewDriver Bit Driver Bits are engineered to be the Most Durable, Best Fitting Driver Bit Driver Bits on the market. The Phillips Driver Bits feature Wear Guard Tip™ for increased wear resistance which protects the fit over the life of the bit. The impact Driver Bit Driver Bits have and optimized Shockzone™ for each tip type and length of Driver Bit to absorb peak torque and prevent breaking. The Custom Alloy76™ is customized and heat treated per tip type to extend the life of the Driver Bit but by up to 50X vs. competitive impact Driver Bit Driver Bits. The SHOCKWAVE™ Impact DutyDriver Bit Driver Bits are built to deliver extreme durability for the most demanding applications.