| Model NO. | 812S-7 |
| Measurement Object | Length |
| Material | Steel |
| Certification | ISO, SGS, CE |
| Shape | Round |
| Trademark | DRAGON GAUGE |
| Origin | China |
| Type | Gauge Block |
| Test Methods | Through Check Method |
| Precision Gauge | Precision Gauge |
| Usage | For Working |
| Customized | Customized |
| Specification | ISO9001 |
| HS Code | 90202010 |


