MILWAUKEE SHOCKWAVE Impact Duty Socket Set features the boldest, longest-lasting markings and extreme impact durability in high torque applications. The stamped and ink-filled size marking enables you to select the right socket every time throughout the life of the socket. Engineered with high-strength forged steel for optimized performance in heavy-duty applications. The non-slip hex geometry prevents fastener rounding. The Milwaukee dual-hole design and ring groove allow for easy socket attachment and removal. Sets can be kept organized in the included MILWAUKEE PACKOUT Compact Organizer with a clear top for easy identification of parts at a glance. The Low-Profile Organizer is part of MILWAUKEE PACKOUT Modular Storage System, allowing for customization of storage systems to easily transport and organize tools and accessories. The cases are impact-resistant and nest together for easy stacking and storage. All Milwaukee SHOCKWAVE Impact Duty Sockets and Extensions are backed by Milwaukee's Lifetime Guarantee and meet ASME industry standards. Milwaukee 27 Piece SHOCKWAVE Impact Duty 1/2" Drive Metric & SAE PACKOUT Standard Socket Set 49-66-6804