Milwaukee Shockwave Impact Duty 3/8 Inch Drive 6 Point Sockets feature the boldest, longest-lasting markings and extreme impact durability in high torque applications. The stamped and ink-filled size markings enable to select the right socket every time throughout the life of the socket. It is made 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.