| 3A | Dimensioni | Diametro morsetto | TR | Altezza |
| 1" | 77.5 | 37.13*1/8 TACME | 114.6 | |
| 1/2" | 89.0 | 50.65*1/8 TACME | 117.1 | |
| 2" | 105.0 | 64.17*1/8 TACME | 124.2 | |
| 2 1/2" | 118.5 | 77.67*1/8 TACME | 141.4 | |
| 3" | 134.0 | 91.19*1/8 TACME | 151.2 | |
| 4" | 158.5 | 119.25*1/6 TACME | 157.4 |