Mountz 4mm Socket Head HIOS Bits are precision-engineered tools designed for demanding fastening tasks. These bits offer exceptional performance and accuracy in various industries, including electronics, automotive, and manufacturing. Featuring a robust construction and specialized design, they ensure reliable torque control and consistent results. With their 4mm socket head size, these bits are versatile and suitable for a wide range of applications. Trust Mountz for high-quality tools that deliver precision and reliability, enhancing your fastening processes and productivity.