The Mitutoyo 177-294 Steel Setting Ring has the following specifications:
- Nominal Size: 80mm
- Tolerance Between Nominal and Actual Diameter: +/- .020mm
- Uncertainty of Marked Diameter Value: +/- .0015mm
- Roundness/Cylindricity: .0015mm
- Distance from the Side Face (H): 4.2mm
- Side of Warranted Calibration Surface (K): 16.6mm
- Outside Diameter: 125mm
- E Dimension for Type B: N/A
- Thickness: 25mm
- Type: A
