The GP SET (36) 9/16-12 CL2B by Field Tool Supply is an essential threading tool set designed for professionals. This set features taps and dies sized at 9/16-12, perfect for creating and repairing internal and external threads in various materials. Made from high-speed steel, these tools provide exceptional strength and longevity. The CL2B classification ensures compliance with industry standards, making them reliable for heavy-duty applications. Ideal for automotive, manufacturing, and maintenance tasks, this set is a must-have for anyone needing precision threading solutions.