The RH Tapset 1/4-28 GH4 from Field Tool Supply is designed for creating precise internal threads in a variety of materials. This right-hand tapset features a 1/4 inch diameter with 28 threads per inch, making it ideal for fine threading applications. Made from high-speed steel, it offers excellent durability and cutting performance. The GH4 classification indicates its high-quality construction, ensuring reliable results. This tapset is compatible with standard tapping equipment and meets industry standards, making it a valuable addition to any machinist's toolkit.