Surface Roughness Comparison Sample Block Ra 0.05-12.5mm Metal Machining Testing Kit with 30 Calibrated Specimens for Industrial Measurement Standard
| Country | USA |
| Brand | Wharfedale Pro |
| Manufacturer | Wharfdale |
| Binding | Electronics |
| ItemPartNumber | 5025941204145 |
| Model | DM-57 |
| Color | Black |
| ReleaseDate | 2022-07-29 |
| UnitCount | 1 |
| EANs | 5025941204145 |