The IRWIN #6-32 to 1/4-20 Carbon Steel Tap & Die Set consists of twelve pieces with precision-machined cutting edges designed to deliver clean, accurate threads with each use. This set provides versatile options for threading various materials and is optimized for efficient creation of both internal and external threads. Its compatibility with a variety of thread standards enhances its utility across diverse projects. The set comes with a convenient storage case, ensuring that tools remain organized and easily accessible at all times.