This high-quality threading die from ALFA TOOLS is a must-have for any metalworking project. With a size of 4x 0.50mm, it is perfect for creating precise threads in a variety of materials. Made from durable materials, this die is built to last and can withstand even the toughest of jobs. Whether you're a professional metalworker or a DIY enthusiast, this threading die is the perfect addition to your tool collection. Its compatibility with a range of machines makes it versatile and practical. So why wait? Add this ALFA TOOLS threading die to your arsenal today.