Milwaukee SHOCKWAVE™ Impact Duty™ 3/8" Drive 20-mm 6 Point Socket is designed to deliver extreme impact durability in high torque applications, ensuring reliable performance when you need it most. Crafted from high-strength forged steel, this socket features long-lasting stamped size markings for quick and easy identification. Its non-slip hex geometry helps prevent fastener rounding, providing a secure grip every time. The socket is also equipped with a dual-hole design and ring groove, making attachment and removal effortless. Optimized for use with 3/8-inch drive impact wrenches, drivers, ratchets, and adapters, this socket is a versatile and durable addition to any toolkit. Model Number: 49-66-6737