This kitnis used and has some missing parts and broken parts still a great deal for what it is! The Mac Tools TR43K Master Tap & Die Rethreading Kit is a comprehensive set designed for automotive and industrial threading tasks. With 43 pieces included, this kit features both SAE and metric measurements, making it versatile for various applications. Manufactured by Mac Tools in the United States, this set is a reliable choice for professionals and enthusiasts looking to rethread damaged or worn-out fasteners with precision and reliability. Ideal for automotive mechanics and machinists, this tap and die set is a valuable addition to any workshop or tool collection.