Mitutoyo 3109SB-10 The Mitutoyo 3109SB-10 Series 3 Dial Indicator with large face provides the user with clear and easy to interpret test results when used with other tools for measurement. It is constructed with a large dial display for optimal reading clarity. Features Large design allows for readings to be made easily Designed with a limit pin and outer frame clamp to meet your needs Flat-back design with a threaded stem Mitutoyo 3109SB-10 Specifications Dial Color White Accuracy 0.0004 mm Dial Reading 0-10-0 Graduation Measurements Millimeters Product Width 3.07" (78 mm) face Supported Measurement Unit(s) mm Measurement Range 1 mm/0.2 mm revolutions with 0.001 graduations Measuring Force 1.5 N or less