5-Piece Npt Pipe Tap Set, Professional Pipe Taps Set, Precision, 1/2" And 3/4" Meet Various Size Requirements: Available in a variety of sizes, including 5 fitting sizes - 1/8", 1/4", 3/8", 1/2" and 3/4", this NPT tap set meets a wide range of plumbing threading needs, making it an essential piece of equipment in your toolkit Carbon Steel NPT Tap Set: Made from premium carbon steel, this carbon steel tap set cuts internal threads cleanly and efficiently for cleaning and/or re-threading jammed or damaged pipes with great durability Clear Size Markings: Our NPT thread tap kits are designed with user convenience in mind, and the clear dimensions marked on each tap allow users to quickly and easily identify the correct size, which greatly improves work efficiency Portable Storage Case: Come with a sturdy, organized storage case, our pipe tap set keeps all taps neatly arranged and organised. The storage box also helps to protect the taps from damage during transport and storage, making it easy to work on the go Versatile Use: This thread tap kit produces clean, precise threads on pipes for water supply, gas fittings, radiator installation and other applications, making it an ideal choice for DIY enthusiasts or professionals such as plumbers and mechanics