A AND S TOOLS 20Pcs Metric & SAE Screw Thread Dies and Taps Wrench Kit is a comprehensive set designed for threading and tapping tasks. It includes 20 pieces of essential tools, including taps, dies, a wrench, and a screwdriver, all neatly organized in a plastic case with a clear lid for easy visibility. The tapered design of the coarse and fine taps and dies allows for smooth and easy creation and rethreading of internal and external threads. This set is suitable for creating new threads and repairing damaged threads on various metals such as stainless steel, copper, aluminum, brass, carbon steel, and cast iron. It can even be used for wood threading. Manufactured from high-quality C45 Carbon Steel, these tools are built to last and provide excellent threading performance. The set covers both Metric and Metric Fine specifications, making it versatile for a range of applications. Whether you're working on automotive projects or engineering tasks, this kit is designed to meet your threading needs. Using the Mass Pro Tap and Die Set is easy and user-friendly. It saves you time and money by allowing you to cut and repair threads on your own, eliminating the need to search for replacements or visit a store. The set includes 9 metric taps ranging from M3 x 0.5 to M12 x 1.75, as well as 17 metric dies of the same size range. With this comprehensive kit, you can confidently tackle thread cutting, repair, and maintenance projects. The tools are machined to exacting standards, ensuring precise and accurate threading results. Invest in the Mass Pro 20Pcs Metric & SAE Screw Thread Dies and Taps Wrench Kit to have a reliable and versatile threading toolset at your disposal.