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Now you can instantly determine the limits for tolerance symbols in accordance with ANSI B4.2 Preferred Metric Limits and Fits. These tolerances are coordinated for cutting tools, material stock, and gages throughout the world and are in agreement with the ISO System of Limits and Fits. In addition, you can select the fit that best suits your application and the tolerance symbols and limits will appear. For your convenience, inch equivalent values are also displayed.