Tap and Die SetThe alloy steel combination tap and die set is used for cutting threads: the tap is used to process internal threads while the die is used for external threads, ideal for threading fasteners and fixing holes for car and machine repair. Strong and DurableIndustrial grade steel construction ensures durability and high performance. This ratchet tap and die transmission tool has high and uniform hardness and good wear resistance. Tap and Die SetThe 40-piece professional metric tap and die set contains different sizes of taps and milling cutters for a variety of threads and threads as well as a straight tap, a T-handle tap and an open-end wrench. All the tools you need are included in one kit. Widely UsedWith this tapping tool you can easily cut materials such as aluminum, iron, cast iron, alloy steel, carbon steel, abrasive steel, malleable cast iron and other metal materials, which are perfect for most hand threading applications. Easy StorageEquipped with a plastic carrying bag allows for easy storage and easy transportation. Keep all tools well organized and easily accessible. This tap and die set is perfect for use on vehicles and machinery to create threads