Milwaukee SHOCKWAVE Impact Duty 70PC Driver Bit Set with PACKOUT is engineered to be the Most Durable, Best Fitting driver bits on the market. 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. Milwaukee driver bits are made from CUSTOM ALLOY76 steel and a proprietary heat treatment process to extend bit life, providing up to 50X life versus other impact driver bits on the market. The Milwaukee SHOCKWAVE Impact Duty driver bits are built to provide users with extreme durability for the most demanding applications. The set is organized in a customizable accessory case designed for use in PACKOUT. The Milwaukee 43PC SHOCKWAVE Impact Duty 3/8 in. Drive SAE/Metric Deep 6 Point Socket Set features the boldest, longest-lasting markings and extreme impact durability in high torque applications. These Milwaukee sockets are engineered with high strength forged steel for optimized performance in heavy-duty applications. The non-slip hex geometry prevents fastener rounding, and a dual-hole design and ring groove allow for easy socket attachment and removal. The storage cases are impact resistant and nest together for easy stacking and storage. All SHOCKWAVE Impact Duty Sockets backed by a Lifetime Guarantee and meet ASME industry standards.