Stanley Proto J7121 1/2" Square Ext, 7/16" Hex
| Country | USA |
| Brand | Klein Tool |
| Manufacturer | Klein Tools |
| Binding | Tools & Home Improvement |
| ItemPartNumber | 66010 |
| Model | 66010 |
| Color | Factory |
| Size | 1/2" Drive |
| UPCs | 092644650529 |
| EANs | 0092644650529 |
| ReleaseDate | 0000-00-00 |