The Sourcing Map 3PCS Morse Taper Adapter MT2-1, MT3-2, and MT4-3 is a precision cutting tool for lathe milling parts, with accuracy of 0.02mm. Its high-carbon steel drill sleeves ensure durability and rigidity, while the reduced Morse taper center and drill chuck sleeves provide a perfect fit for your machine tools. This set includes three interchangeable sleeves, making it versatile for various applications. With its reliable performance and easy assembly, you're sure to find it beneficial in your fabrication work.