General description The 40-Piece Tap and Die Set is a versatile and durable threading kit made from high-quality carbon steel. It is designed for threading a variety of materials, making it an essential tool for both professionals and DIY enthusiasts. Technical specifications Material: Carbon steel Strength: Up to approximately 900 N/mm² Includes various sized dies for different tapped holes Usage Ideal for threading common materials such as steel, cast steel, cast iron, non-ferrous metals, plastics, softwood, hardwood, and sintered wood. Suitable for both metric and fine thread sizes. Other information Comes in a sturdy plastic case for convenient storage. Completely sorted in a handy storage box, making it practical and easy to use. Great assortment for service cars or workshops.