Usage Tips: Our M14 x 1.5mm tap and die set is made of high-speed steel, ensuring quality and durability. These tools are heat-treated and tempered for maximum strength, providing reliable performance that lasts longer than standard threading tools.UNIVERSAL APPLICATION: Designed to create or repair threads on a wide range of metals. This versatile kit works effectively on carbon steel, cast iron, aluminum, brass, copper, and stainless steel. It's an ideal tool for professionals and DIY enthusiasts working with various metal materials.PRECISE & EFFICIENT: This tap and die set features precision-engineered cutting teeth that are CNC machined and heat treated to a hardness of 60 HRC. This ensures accurate threading and superior fastener performance, making the process smoother, faster, and more efficient.USER-FRIENDLY OPERATION: For best results, use a full turn forward and half turn back technique to reduce the risk of tap breakage. Apply appropriate lubricant during use to improve performance and extend tool life. Note: Product markings may vary slightly between production batches, but this does not affect functionality.Color: As Shown Material: High-Speed Steel Package Contents: 1 x Tap and Die Set Note: Light reflection and differences in display settings may cause slight variations between the color of the item in the image and the actual product. Measurement may vary by +/- 1-3 cm.