please see the photos. not sure if it has been used or not The Steel Round Bar Lathe Milling Colchester lathe roundness flatness test piece is a high-quality metalworking supply that is essential for ensuring precision and accuracy in CNC, metalworking, and manufacturing processes. This test piece is designed to help users evaluate the roundness and flatness of the steel round bars produced by the lathe mill. With its sturdy construction and accurate design, this unit is a valuable tool for achieving consistent and reliable results in professional metalworking settings.
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