For checking micrometer anvil and spindle face for flatness and squareness to the spindle axis.
| Model No. | Spec.(mm) | Accuracy |
|---|---|---|
| GB-OP12S | Φ30 (Thickness: 12, 12.12, 12.25, 12.37; 4 pcs/set) For 0-25mm | Flatness0.1μm |
| GB-OP25S | Φ30 (Thickness: 25, 25.12, 25.25, 25.37; 4 pcs/set) For 25-50mm | Parallelism 0.2μm |
