The Mitutoyo 177-289 Steel Setting Ring has the following specifications:
- Nominal Size: 1.2″
- Tolerance Between Nominal and Actual Diameter: +/- .0004″
- Uncertainty of Marked Diameter Value: +/- .00006″
- Roundness/Cylindricity: .00004″
- Distance from the Side Face (H): 3mm
- Side of Warranted Calibration Surface (K): 9mm
- Outside Diameter: 71mm
- E Dimension for Type B: N/A
- Thickness: 15mm
- Type: A