| Codice | 661C | 661D | 661E | 661F | 661G | 661H | 661I |
| Misura | 3/8" | 1/2" | 3/4" | 1" | 1"1/4 | 1"1/2 | 2" |
| G | 3/8" | 1/2" | 3/4" | 1" | 1"1/4 | 1"1/2 | 2" |
| G1 | 3/8" | 1/2" | 3/4" | 1" | 1"1/4 | 1"1/2 | 2" |
| H | 12 | 15 | 16 | 19 | 22 | 22 | 25 |
| H1 | 12 | 15 | 16 | 19 | 22 | 22 | 25 |
| Gr. | 64 | 82 | 126 | 188 | 276 | 369 | 643 |
| Pezzi per confezione | 10 | 10 | 10 | 5 | 4 | 2 | 2 |
