12 Inch Professional Master Precision Level Accuracy 0.0002/10 Inch for Checking The Work of Machinists Toolmakers in Fitted Box$$Tools

High accuracy: 0.0002/10 Inch. Portable: With wooden case, easy to store and carry. Quality matetrial: Made of premium carbon steel, high quality, durable. Application: It is mainly used to check the straightness of the guideways of various machine tools and other equipment, the correctness of the horizontal and vertical positions installed, etc.