The GP SET (88) 1 3/8-6 CL3B from Field Tool Supply is a premium threading tool set designed for efficiency and precision. Featuring a size of 1 3/8-6, this set is ideal for various threading applications, ensuring compatibility with standard tools. Each die is made from high-quality materials, ensuring durability and sharpness for consistent results. This set is perfect for both professional tradespeople and DIY enthusiasts, providing the reliability needed for accurate threading tasks. Enhance your toolkit with this essential set.