The Field Tool Supply DIE RLHS ACME 1 1/2-4 X 3 OD is a specialized threading tool designed for precision applications. This die features a 1 1/2-inch size with a 4 TPI (threads per inch) configuration, making it ideal for creating accurate threads in various materials. Constructed from high-quality steel, it ensures durability and long-lasting performance. The 3-inch outer diameter allows for easy handling and compatibility with standard threading equipment. This tool is essential for professionals in need of reliable threading solutions.