Industrial Measurement Standard Calibrated Specimens, Ra0.05-12.5mm Roughness Sample Block, 30pcs Surface Roughness Comparison Sample Block Set, for External Grinding, Polishing, End Milling
| Country | USA |
| Brand | patcate |
| Manufacturer | patcate |
| Binding | Office Product |
| Color | Multicolor |
| ReleaseDate | 0000-00-00 |