Milwaukee 49-66-6117 3/8" Drive 6 Pt. SHOCKWAVE Impact Duty Deep Socket - 5/16"

Features the boldest, longest-lasting markings and extreme impact durability in high torque applications. The stamped and ink-filled size markings enable 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, and a non-slip hex geometry prevents fastener rounding. The dual-hole design and ring groove allow for easy socket attachment and removal. All MILWAUKEE^® SHOCKWAVE Impact Duty^™ Sockets are backed by a Lifetime Guarantee and meet ASME industry standards.