| Name | Keuffel & Esser 4098 Ever - There, (Old 4098) |
| Front Scales | A = B CI C = D K |
| Back Scales | = S L T = |
| Type of Rule | |
| Material | Engine Divided White Xylonite (existence implied by 4097C, but not known to exist) |
| Dimension (mm) | |
| Area of Use | |
| Origin of Rule | Michael O'Leary |
| Match Number | 4377 |
| Comment | |
| Thumbnail | No Picture |