Geometric construction of the regular decagon and pentagon inscribed in a circle, by Henry H. Ludlow.
| Country | USA |
| Brand | Dorman |
| Manufacturer | Dorman Products |
| Binding | Automotive |
| ItemPartNumber | 523-653 |
| Model | 523-653 |
| Warranty | Limited Lifetime Warranty |
| Color | Black |
| ReleaseDate | 2017-12-21 |
| UnitCount | 1 |
| UPCs | 885484872073 |
| EANs | 0885484872073 |