General description Sturdy and durable, this 40Pcs M3-M12 Tapping Die Set includes 45 steel taps and alloy steel dies, offering excellent hardness, strong strength, and a long service life. The set is designed for both professionals and DIY enthusiasts, making it an essential addition to any toolbox. Technical specifications Includes 45 steel taps Includes alloy steel dies Sizes range from M3 to M12 Compatibility and accessories Adjustable tap wrench to fit different taps Thread pitch gauge included for checking created threads All taps and dies are clearly marked with their sizes for easy identification