The Irwin Hanson 1765542 Self-Aligning Tap and Die Set is a high-quality hand tool set designed for precision tapping and die cutting. Made of durable steel and sourced from the United States, this 12-piece set is perfect for standard (SAE) measurements. The self-aligning feature ensures accurate results, making it a reliable choice for various workshop projects. With no manufacturer warranty, this set is a dependable addition to any tool collection, especially for those who value quality and precision in their work.