The HT 3/8 Drive Impact Socket 18mm from Horizon Tool is designed for heavy-duty performance. This 6-point black socket is constructed from high-strength chrome molybdenum steel, providing exceptional durability and impact resistance. With a 3/8 inch drive size, it is ideal for use with impact wrenches, making it perfect for automotive repairs and maintenance. The 18mm size ensures a secure fit on fasteners, while the black oxide finish offers corrosion resistance. This socket meets ANSI standards, ensuring reliability and performance in demanding applications.