From The Manufacturer
Calibration Ring, 5" OD, 3 3/8" ID, gray, steel
Images are for reference. Color, configuration, dimensions and what's included vary by model.

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| Manufacturer | AllPoints |
| Model Number | 8001841 |
| Weight | 1.44 oz |
| Width | 0″ |
| Depth | 0″ |
| Height | 0″ |
| Type | calibration ring |
Images are for reference. Color, configuration, dimensions and what's included vary by model.