Features 【High Performance】Tapered thickness taps and die make threading easier and smoother, preventing over threading for precise results. 【High Strength Material】Made of high-quality steel, ensuring durability and resistance to wear for long-lasting use. 【Versatile Functionality】Designed for thread cutting, with taps for internal threads and dies for external threads, making it suitable for various applications such as automotive and mechanical repairs. 【Wide Range of Sizes】Includes metric tap and die sizes M4x0.7, M5x0.8, M6x1.0, M8x1.25, providing a comprehensive set for different threading needs. 【Convenient Package】Comes with ten accessories, including taps, dies, tap chuck, and wrench, all neatly organized in a case for easy storage and transportation. Specification: Item Type: Tap Die SetMaterial: High carbon chromium steelMetric Tap Size (MM): M4x0.7 M5x0.8 M6x1.0 M8x1.25 Metric Die Size (MM): M4x0.7 M5x0.8 M6x1.0 M8x1.25 Package List:4 x Tap4 x Die (One Die is on the Wrench)1 x Tap Chuck1 x Wrench Package List 4 x Tap 4 x Die (One Die is on the Wrench) 1 x Tap Chuck 1 x Wrench