Descrizione
| fi 1 = fi 3 | fi 2 |
| 1/2″ | 1/4″-3/8″-3/4″-1″ |
| 3/4″ | 1/4″-3/8″-1/2″-1″ |
| 1″ | 1/4″-3/8″-1/2″-3/4″-1″1/4-1″1/2 |
| 1″1/4 | 3/8″-1/2″-3/4″-1″-1″1/2-2″ |
| 1″1/2 | 3/8″-1/2″-3/4″-1″-1″1/4-2″ |
| 2″ | 1/2″-3/4″-1″-1″1/4-1″1/2-2″1/2 |
| 2″1/2 | 1/2″-3/4″-1″-1″1/4-1″1/2-2″ |
| 3″ | 1/2″-3/4″-1″-1″1/4-1″1/2-2″-2″1/2 |
| 4″ | 1″-1″1/2-2″-2″1/2-3″ |
