This Tap and Die Set includes 40 pieces of engineering tools specifically designed for CNC machining. The set includes taps and dies for creating threads in a variety of sizes and materials. Ideal for DIY enthusiasts and professionals alike, this set is perfect for achieving precise and professional results when working on projects that require the use of taps and dies. Perfect for use in a workshop or at home, this set is a must-have for anyone looking to create high-quality threaded components.