21mm Flange. M10-1.5mm Thread.
| Country/Region Of Manufacture | United States |
| OE/OEM Part Number | 1929-20 |
| Type | Metric Flange Nut |
| Features | Easy Installation |
| Color | Black |
| Manufacturer Part Number | 1929-20 |
| Vintage Part | Yes |
| Finish | Black |
| Brand | Retro-Motive |
21mm Flange. M10-1.5mm Thread.