The EM-MET-2S 4.0MM x 3/8 inch impact socket is designed for high-performance applications, providing exceptional strength and durability. Constructed from premium materials, this socket is ideal for heavy-duty tasks in automotive and industrial settings. Its precise dimensions ensure a secure fit on fasteners, minimizing the risk of stripping and enhancing torque application. The impact-rated design allows for use with impact wrenches, ensuring efficient power transfer and reducing wear on tools. This socket meets industry standards for quality and performance, making it a valuable addition to any mechanic's toolkit.