The MachEl Precision Steel Lathe Alignment Test Bar Mandrel is designed to help align the headstock and tailstock of your lathe, ensuring precision and eliminating taper turning issues. Constructed from high-quality steel, this test bar provides reliable performance in ensuring the correct alignment of the lathe's components. The mandrel is compatible with MT3 spindles, and its regular design offers a length of 225 mm for a versatile range of lathe setups. It is an essential tool for professional machinists and hobbyists to maintain the accuracy of their lathe operations. By using the test bar, you can quickly assess any misalignment between the headstock and tailstock and adjust them for optimal precision. With this tool, you can improve your machining quality, reduce tapering, and ensure smooth, accurate cuts for your projects.