| Ident-No. | Style | Outer Diameter (mm) | Fitting (mm) | Thickness (mm) |
|---|---|---|---|---|
| EA Buzzaird 123 | 4 Bows | 51 | 16 | 1.0 |
| EA Chickadee 147 | Circular | 57 | 16 | 1.1 |
| EA 149 | 6 Bows | 57 | 16 | 1.1 |
| EA BBB/BBR 25 114 | Circular | 63.5 | 22.5 | 1.0 |
| EA Falcon III 84 | Circular | 82 | 51.8 | 1.0 |
| EA 26 | Circular | 90 | 51.8 | 1.0 |
| EA Falcon IV / Robin 59 | Circular | 101.6 | 41 | 1.05 |
| EA 101 | Circular | 127 | 51.8 | 1.1 |
| EA 548 61 | Circular | 133.6 | 51.8 | 1.05 |
| EA | Circular | 140 | 51.8 | 1.4 |
| EA 548/562/567 39 | Circular | 152 | 51.8 | 1.45 |
| EA | Circular | 178 | 51.8 | 1.50 |
| EA | Circular | 191 | 51.8 | 1.95 |
