The Milwaukee Tool 80-pc Shockwave Impact Duty Driver Bit Set, No. 48-32-4094, are designed to provide users with extreme durability for the most demanding applications. The Wear Guard Tip delivers increased wear resistance which protects the impact bit's fit over the life of the bit. The Shock Zone is optimized for each tip type and length of driver bit in the set to absorb peak torque and prevent breaking. The driver bits are also engineered from custom Alloy76 steel and have been heat treated per tip type to extend the life of the driver bits. The set is organized in a customizable accessory case designed for use in PACKOUT.